DESIGN AND DRAWING OF REINFORCED CONCRETE …diet.edu.in/QuestionBanks/III BTECH I...
Transcript of DESIGN AND DRAWING OF REINFORCED CONCRETE …diet.edu.in/QuestionBanks/III BTECH I...
DADI INSTITUTE OF ENGINEERING & TECHNOLOGY
NAAC Accredited Institute
An ISO 9001:2008, 14001:2004 & OHSAS 18001:2007 Certified Institute
NH–5, Anakapalle, Visakhapatnam–531002, Andhra Pradesh
Phone: 08924-221111/221122/9963981111, E–Mail: [email protected], Web: www.diet.edu.in
DEPARTMENT OF CIVIL ENGINEERING
DESIGN AND DRAWING OF REINFORCED CONCRETE
STRUCTURES
III -I B TECH CIVL (2019-2020)
FACULTY NAME: Ch. JYOSHNA REGULATION:R16
UNIT: 01 INTRODUCTION
S.No. CO Level Questions
1
1
3
Draw stress block diagram and evaluate the following expressions for limit
state design:
a. Neutral Axis depth
b. Lever arm
c. Moment of resistance
d. Clear cover &effective cover
e. Depth of the beam width of the beam 2 1 1 What the difference is between singly reinforced & doubly reinforced
section.
3 1 1 What are the assumption to be made for limit state and working stress
method.
4 1 3 Draw drive singly reinforced beam and doubly reinforced stress strain
curves.
5 1 1 What are the method adopted for structural design.
NOTE : From 2nd
unit Each question carries 10 Marks.
UNIT-II DESIGN FOR FLEXURE
S.No. CO Level Questions
1
2
5
Design a rectangular beam 230mmX600mm over an effective span of 5m,the
super imposed load on the beam in 50KN/M. effective cover to rein force is
taken as 50mm use fe415,M20 concrete.
2
2
5
An L beam has the flange width of 900 mm, with the thickness of slab 100 mm.
The web below is 250 × 500 mm. Determine the areas of steel required for it to
carry a limiting moment of 600 kNm. Assume fck = 15 N/mm2 and grade 415
steel. Sketch the details of reinforcement
(a)Find the moment of resistance of a beam section 250 mm x 500 mm deep is
reinforced with 2- 16 mm bars in tension at an effective cover of 40 mm. Use
3
2
4
M20concrete and Fe 500 grade of steel.
b) What would be the increase in the moment of resistance if it is reinforced
with 2-16mm bars of Fe 500 grade in compression at an effective cover of 40
mm. Whetherthe neutral axis would shift upwards or downwards, and by what
amount?
4
2
5
Design a doubly reinforced section for a rectangular beam at mid span having a
simply supported effective span of 4.5 m. The superimposed load is 35kN/m and
size of beam is limited to 25cm × 40cm overall. Assume suitable section
5
2
5
A rectangular beam 25cm x 50 cm deep is reinforced with 2-14 mm bars in com-
pression zone and 4-25mm bars in tension zone, each at an effective cover of
40mm.Determine the forces in compression, force of tension, cracking moment and
moment of resistance assume M20 concrete and Fe 415 grade steel
M25 concrete and Sail MA410 grade steel.
UNIT-03 DESIGN FOR SHEAR, TORSION AND BOND:
S.No. CO Level Questions
1
3
4
A rectangular section of a simply supported beam is 250 × 420 mm in section
with effective cover of 40 mm to the center of reinforcement. It has 4 Nos. of
12 mm bars continued to the supports. Find the shear capacity at the support if
the shear reinforcement consists of double vertical stirrup of 8 mm diameter at
200 mm spacing.Assume fy = 250 N/mm2, and fck = 20 N/mm2
2
3
5
A simply supported R.C.C. beam 200 mm x 400 mm (effective) is reinforced
with 4 bars of 22 mm diameter on tension side. The beam is carrying a load of
10 kN/m over a clear span of 8 m. Design the shear reinforcement. Use M 20
concrete and Fe 415 steel bars.
3
3
4
Calculate the development length required for a bar having dia 16 mm .
i) In compression M20 grade concrete and Fe 415 steel
ii) In compression M20 grade concrete and Fe 250 steel
iii) In tension M25 grade concrete and Fe 415 steel
iv) In tension M25 grade concrete and Fe 250 steel
4
3
5
A rectangular beam of size 300x600 mm is subjected to a factored sagging
bending moment of 60 KN M, factored shear force of 45 KN and factored
torsional moment 20 KN M. Design the reinforcement at the section using limit
state method . use M20 and Fe415 steel.
5
3
5
A simply supported R.C.C beam 250mm wide and 450mm deep (effective) is
reinforced with a4-18mm dia bars.design the shear reinforcement if M20 grade
concrte and fe415 steel is used and beam is subjected to a shear force of 150KN
at service state.
UNIT:04 SLABS
S.No. CO Level Questions
1
4
5
Design a simply supported slab to cover a hall with internal dimensions
4.0 m × 6.0 m. The slab is supported on masonry walls 230 mm thick.
Assume a live load of 3 kN/m2 and finish load of 1 kN/m2. Use M20
concrete and Fe415 steel. Assume that the slab corners are prevented
from lifting up
2
4
5
Design a two-way slab of clear dimensions 4.5 m × 3.6 m with two
adjacent edges discontinuous. The slab is subjected to live load of 3.5
kN/m2 and floor finish of 1.5 kN/m2. Assume the width of supports is
300 mm. Use M 20 concrete and Fe 415 steel
3
4
5
Design a reinforced concrete slab for a room of clear dimensions 4 m x
5 m. The slab is supported on walls of width 300 mm. The slab is
carrying a live load of 4 kN/m2 and floor finish 1 kN/m2. Use M20
concrete and Fe 415 steel. The corners of slab are held down. Sketch
the layout of the reinforcement
4
4
5
Design an R.C.C. slab of size 5 m x 6 m, simply supported on all four
edges with corners held down. The slab is carrying a load of 4 kN/m2
including floor finish etc Use M 20 concrete and Fe 415 steel. Sketch
the details of reinforcement also.
5
4
5
Design an R.C.C. slab of size 3 m x 5 m, simply supported on all four
edges with corners held down. The slab is carrying a load of 3.5 kN/m2
including floor finish etc Use M 20 concrete and Fe 415 steel. Sketch
the details of reinforcement also.
UNIT-5 DESIGN OF COMPRESSION MEMBERS
S.No. CO Level Questions
1
5
5
A concrete column 500 × 700 mm is of effective height 6 m and is provided with
6 Nos.of 25 mm bars as longitudinal steel. Determine its ultimate bending
moment capacity about the major axis when it will be subjected to an ultimate
axial load of 2.5 MN.Assume fy = 415 N/mm2, and fck = 25 N/mm2, and clear
cover according to IS 456 for normal conditions of exposure. Place the steel for
maximum moment capacity about major axis.
2
5
5
An R.C.C. short column of size 400 mm x 500 mm is carrying a factored load of
3000 kN. Design the column assuming emin < 0.05 D. Use M25 concrete and Fe
415steel.
3
5
5
Design a circular column of 4 m height is effectively held in position at one end
and pinned at other end. The diameter of the column is 400 mm. Calculate the
reinforcement if it is required to carry a factored axial load of 1600 kN. Use M30
mix and Fe 500 grade steel.
4
5
5
Design a R.C.C. column to carry an axial load of 2000N. The size of the column
is restricted to 600 mm square. The effective height of column is 9 m. Use M20
concrete and fe415= 190 N/mm2.
5
5
5
Design a R.C.C. column to carry an axial load of 18000N. The size of the column
is restricted to 600 mm square. The effective height of column is 7 m. Use M20
concrete and fe415= 190 N/mm2.
UNIT:06 FOOTINGS
S.No. CO Level Questions
1
6
5
Design the footing for a reinforced concrete column 225 x 450 mm carrying an
axial load of 1075 kN. The bearing capacity of the soil is 100 kN/m2. Use M20
concrete and Fe500 grade steel as reinforcement
2
6
5
Design a combined footing for the two columns of a multistorey building. The
columns of size 400 × 400 mm transmits a working load of 800 kN each and they
are spaced at 5m centers. The safe bearing capacity of soil at the site is
200kN/m2. Adopt M20 grade concrete and Fe415 grade reinforcement
3
6
5
Design a rectangular footing of uniform thickness for an axially loaded column
of size 300 mm x 600 mm. Load on the column is 1150 kN. Safe bearing
capacity of the soil is 200 kN/m2. Use M20 concrete and Fe 415 steel.
4
6
5
Design an isolated rectangular footing for an axial load of 1500 kN transmitted
by the column. The cross section of the column is 230 mm x 450 mm. The SBC
of soil is 180 kN/m2. Adopt M20 grade concrete and Fe 415 grade steel.
5
6
5
Design a square footing of uniform thickness for an axially loaded column of
450mm x 450 mm size. The safe bearing capacity of soil is 190 kN/m2. Load on
column is 850 kN. Use M20 concrete and Fe 415 steel.
6
6
1
(a) What is meant by eccentric loading on a footing, and under what circumstances
does this occur?
(b) Under what circumstances is a trapezoidal shape preferred to a rectangular shape
for a two column combined footing?
.
.
DADI INSTITUTE OF ENGINEERING & TECHNOLOGY
NAAC ACCREDITED INSTITUTE
(Approved by A.I.C.T.E., New Delhi & Affiliated to JNTUK, Kakinada)
An ISO 9001:2008, ISO 14001:2004 & OHSAS 18001:2007 Certified Institute.
NH-5, Anakapalle – 531002, Visakhapatnam, A.P.
Phone: 08924-221111 / 221122/9963981111, www.diet.edu.in, E-mail: [email protected]
QUESTION BANK FOR MID EXAMINATION(Academic Year 2019-20)
ENGINEERING GEOLOGY
D.V.SHANMUKESH, Assistant Professor
III Year B-TECH– I Semester Branch: Civil Engineering Regulation: R-16
UNIT-I INTRODUCTION
CO Level Q.No Questions
1 2 1 Describe the process of rock weathering?
1 2 2 Explain effects and importance of weathering of rocks with reference to
civil engineering.
1 2 3 Discuss the geological work of river? Give the depositional landforms
made by rivers.
1 2 4 Define weathering? What is the role of oxidation in weathering of rocks?
1 2 5 How to develop the valley?
UNIT-II MINERALOGY AND PETROLOGY
CO Level Q.No Questions
2 2 1 Describe the geological classification and give the characters of igneous
rocks.
2 2 2 What is texture of a rock? Discuss the various types of textures in
sedimentary rocks.
2 2 3 What is meant by rock cycle and how does it represents the sequence of
formation.
2 2 4
a) Describe the petro graphic characters of i) Conglomerate ii) Basalt iii)
Limestone.
b) Describe the physical properties of minerals (i) Asbestos and (ii)
Hematite.
2 2 5 How do you distinguish mineral from a rock? What are the major
difference dykes and sills?
UNIT-III STRUCTURAL GEOLOGY
CO Level Q.No Questions
3 2 1 What is fold? Describe the parts of fold. Attempt the classification of folds
in brief. Discuss the important of fold in the field of civil engineering.
3 2 2 Classify and describe the different types of faults in rocks and explain how
they are recognized in the field?
3 2 3 What is meant by STRIKE, DIP and OUTCROP?
3 2 4 Classify and describe different types of joints in rock with neat sketches
3 2 5 Define unconformity, explain deferent types of unconformities.
UNIT-IV GROUND WATER
CO Level Q.No Questions
4 2 1
Define the terms porosity and permeability. Explain the classification of
rocks based on porosity and permeability, and importance of rock types
for groundwater point of view
4 2 2 Explain the classification of Earth movements.
4 2 3
Explain the classification, effects, causes and intensity of earthquakes
and give their preventive manures for construction of building in
earthquake prone areas.
4 2 4 Write short note on i) cone of depression ii) geological controls of
ground water movement
4 2 5 What are landslides? What are their causes? How landslides can be
prevented?
UNIT-V GEOPHYSICS
CO Level Q.No Questions
5 2 1 Write an essay on the electrical method of exploration.
5 2 2 Write short note on importance of Geophysical Methods.
5 2 3 Write the Principle of seismic method of prospecting.
5 2 4 Write the principle, parameters, methods and their applications of
magnetic method
5 2 5
a) Describe the seismic wave refraction method for two layer case with
horizontal interface.
b) What are the advantages and uses of geophysical prospecting and
explain gravity method of geophysical prospecting.
UNIT-VI GEOLOGY OF DAMS, RESERVOIRS AND TUNNELS
CO Level Q.No Questions
6 2 1 a) What is tunnel? Explain its types, what are their advantages?
b) Discuss geological considerations for a successful reservoir site.
6 2 2 What are the purposes of Dams?
6 2 3 By analyzing dam failures in past. How do you select a site to construct a
dam? Explain?
6 2 4 Define the term tunnel and give purposes of tunneling. Discuss in detail about
the role of Geological consideration for proper tunneling.
6 2 5 Explain the geological considerations for successful construction of dams in
view of rocks, structures and ground water point of view with sketches.
DADI INSTITUTE OF ENGINEERING & TECHNOLOGY NAAC ACCREDITED INSTITUTE
(Approved by A.I.C.T.E., New Delhi & Affiliated to JNTU, Kakinada)
Course : B.Tech. Branch : Civil Year/Semester : III/I Academic Year : 2019-20
Faculty Name : Mrs K.Chandrika Regulation:R16 Subject :Magement science
Unit –I:INTRODUCTION TO MANAGEMENT
CO LEVEL Q. No. Question
1 2
1 1 a)Explain the concept of decision making process?
b)Define Management and explain its functions.?
1 1
2 2
a) Define Management? Explain Henry Fayol’s principles of management?
b) Explain the importance of management in organisation?
1 2
1 3
a) Explain the theory of scientific management and explain how it was
criticized.
b) What is motivation? Explain Abraham Maslow’s needs Hierarchy theory?
1 2
1 4
a)Explain the concept of GLOBE structure?
b) What do you mean by Functional organization structure?
1 2
1 5
a) Explain the nature of management?
b) What are the challenges you have to face as a manager?
Unit –II:OPERATIONS MANAGEMENT
CO LEVEL Q. No. Questions
2 2
1 1
a) Explain the basic procedure to be followed in adopting work study
techniques for Sound results?
b) What is inventory? Explain the need for inventory control?
2 1
1
2
a) Define operations management and explain principles of operations
management?
b) Define control charts and explain its types?
2 1
2 3
a) What s meant by materials management? Explain the importance materials
management
b) Explain the types of ABC analysis.
2 1
2
4
a)What is statistical quality control? How is this important in operations
management?
b) Explain EOQ Analysis with diagrammatic representation?
2 2
2 5
a) Explain the concept of ABC analysis.
b)Explain the types of management?
Unit –III:FUNCTIONAL MANAGMENT
CO LEVEL Q. No. Question
3 1
1 1
a)Define Human Resource Management. Explain its functions of HR manager?
b)Define Human Resource Development?
3
2
2
2 a)Explain the importance and methods of job evaluation?
b) Explain the concept of Merit Rating?
3 1
2 3
a) Define marketing and marketing management?
(b) Explain briefly the functions of marketing?
3 6
1 4
a) Discuss in brief about various wage payment plans?
b) Define personnel management?
3 1
2 5
a)What is product life cycle? Describe its stages?
b) ) Explain the channels of distribution in marketing ?
Unit –IV:PROJECT MANGEMENT
CO LEVEL Q. No. Question
4 1
1
From the following information:
a) Draw the network
b) Find its critical path,Slack time & project duration
c) Determine Total, Free and Independent Floats.
Activity Duration
1-2 4
1-3 6
2-4 7
2-5 4
3-4 6
3-6 1
4-6 4
5-6 3
6-7 10
7-8 12
4 2
From the following information:
(a) Draw the PERT network
b) Identify the critical path and projection duration.
Activity To Tm Tp
1-2 3 3 3
2-3 3 6 9
2-4 2 4 6
3-5 4 6 8
4-6 4 6 8
5-6 0 0 0
5-7 3 4 5
6-7 2 5 8
4 1
4 3
a) What is CPM? Discuss its advantages and limitations.
b) Distinguish between PERT and CPM.
4 1
1 4
a) What is PERT? State its advantages and limitations
b) What is CPM? Explain its advantages.
Unit –V :STRATEGIC MANGEMENT
CO LEVEL Q. No. Question
5 1
1 1
a) How do you formulate and implement strategy? Explain
(b) What is the need for corporate planning process?
5 1
2 2
(a) what are the factors of external and internal environmental to be
considered for formulating the strategy? Explain.
(b). Explain various generic strategy alternatives in detail?
5 1
2
3
a) What do you understand by the concept of strategy? Discuss the concept of
Mission and Vision.
b)Explain the concept of Global strategies?
5 2 4 a) Explain the concept of Goal?
1
(b) What is environmental scanning? How is this important in present day
context?
5 1
1 5
(a) Define strategic management and describe the process of strategic
management?
(b) How do you carry out SWOT analysis for a manufacturing unit?
Unit –VI:CONTEMPORARY MANGEMENT PRACTICES
CO LEVEL Q. No. Question
6 2
2 1
. Explain the concepts:
(a) Capability Maturity Model
(b) Balanced Score card.
6
2
2
2
Explain the concepts:
(a) Supply Chain Management
b) Performance Management
6 1
2 3
a) Define total quality management and explain its significance.
b) Explain the concept of six sigma?
6 1
1 4
Define the terms
(a) Management Information System
(b) Bench Marking.
6 1
1 5
a)Define the term Supply Chain Management
b)What is Enterprise Resource Planning? Explain the merits and demerits of
Enterprise Resource Planning.
DADI INSTITUTE OF ENGINEERING & TECHNOLOGY (Approved by A.I.C.T.E., New Delhi & Affiliated to JNTU, Kakinada)
III B.TECH – I – SEM Question Bank (2018 - 19 A.Y)
Branch : EEE Faculty Name : A.Lakshmi Durga/Mr. M.Raja rao
POWER SYSTEMS–II
CO Level Q. No Questions
UNIT 1
1 1
1 (a)
a) What are the properties of conducting material?
b) Find the capacitance per phase of a three phase, three wire system by
considering earth effect, when the conductors are arranged in a horizontal
plane with spacing D12=D23=3.5m, and D31=7m. The conductors are
transposed and each has a diameter of 2.0 cm. Assume the transmission line
is 4m above the ground level.
1
1
1(b)
1 1
1
2 (a)
a) What is the need of double circuit transmission line?
b) What are ACSR conductors? Explain the advantages of ACSR conductors
when used for overhead lines.
1
2(b)
1
2
3 (a)
a) Explain what do you understand by GMR and GMD of a transmission
line?
a) Find the capacitance per phase of a three phase, three wire system, when the
conductors are arranged in a horizontal plane with spacing D12=D23=3.5m,
and D13=7m. The conductors are transposed and each has a diameter of 2.0
cm.
1
3(b)
1
1
4(a)
a) What is meant by loop inductance?
b)
c) Find the inductance of a conductor per phase of a three phase, three-wire
system. When the conductors are arranged at the corners of an equilateral
triangle of 3.5 m sides and the diameter of each conductor is 2 cm.
1
4(b)
UNIT 2
2 1
1(a)
a) What are various parameters of a transmission line and how they are
considered for different lines?
b) A three-phase line delivers 3600 kW at a power factor 0.8 lagging to a load. If
the sending end voltage is 33 kV, determine i) receiving end voltage ii) line
current iii) transmission efficiency. The resistance and reactance of each
conductor is 5.31and 5.54respectively.
1
1(b)
2 2
2(a)
a) Explain the effect of power factor on regulation and efficiency.
b) A 3- phase has a series impedance of 300750 ohms per phase and shunt
admittance of 2510-4900 siemens per phase. The voltage at the receiving
c) end is 220kV but there is no load at receiving end. A load of 100 MW at UPF
is connected at the midpoint of the line. Using nominal-method, find sending
end voltage. 1
2(b)
2
6
3
Develop the vector diagrams of nominal-and nominal T models of medium Transmission line. Derive the expression for voltage regulation of both the models
2 5
4
An overhead single phase delivers 1.1MW at 33 kV at 0.9 power factor lagging .The
total resistance of the line is 10and the total inductive reactance is 15. Determine (i) %voltage regulation (ii) sending end power factor (iii) transmission efficiency
2 5
5
An overhead 3- phase transmission line delivers 5000 kW at 22kV at 0.8 power factor lagging the resistance and reactance of each conductor is 4 ohms and 6 ohms respectively. Determine i) sending end voltage ii) percentage regulation and iii) Transmission efficiency.
UNIT 3
3 2 1 Explain the equivalent method of solution for the performance of long transmission lines? Draw a phasor diagram with the receiving end voltage as reference.
3 1 2 Find the network constants of a long transmission line 3 phase, 50 Hz and 150 km
long whose resistance per km is 0.2 and inductance per km is 1.5 mH and
capacitance per km is 0.008 F. Neglect the conductance of the line.
3 2 3 Explain the surge impedance loading with necessary expressions.
3 1 4 A=D=0.936+j 0.016; B=33.5+j138 ohms; C=(-5.18+j914) 10-6mhos. The load at the receiving end is 50 MW at 220 kV with a power factor of 0.9 lagging. Find the sending end voltage and regulation of line.
3 5 5 A 3- phase transmission line is 480km long and serves a load of 400MVA, 0.8p.f lag
at 345kV. The ABCD constants of the line are A=D=0.8181.30; B=172.284.20;
C=0.00193390.40 mhos. Determine the sending end line to neutral voltage, the sending end current and the percent voltage drop at full load.
UNIT 4
4 6 1 Discuss the phenomenon of wave reflection and refraction. Derive expression for reflection and refraction coefficients
4 1 2 A 200 kV, 3 s, rectangular surge travels on a line of surge impedance of 400 ohms. The line is terminated in a capacitance of 3000 pF. Find an expression for voltage across the capacitance.
4 5 3 Two stations are connected together by an underground cable having a surge impedance of 60 ohms joined to an overhead line with a surge impedance of 400 ohms. If a surge having a maximum valve of 100 kV travels along the cable towards the junction with the overhead line, determine the value of the reflected and transmitted wave of voltage and current at the junction.
4 1 4 A 200 kV surge travels on a transmission line 400 ohms surge impedance and reaches a junction where two branch lines of surge impedances of 500 ohms and 300 ohms are connected with the transmission line. Find the surge voltage and current transmitted into each branch line. Also find the reflected voltage and current.
4 1 5 A 500 kV surge travels on an overhead line of surge impedance 400 towards its
junction with a cable which has a surge impedance of 40. Find i) transmitted voltage and current, ii) reflected voltage and current.
UNIT 5
5 6 1(a) a) Discuss why receiving end voltage of an unloaded long line may be more than
the sending end voltage.
2 1(b) b) Explain about the effect of radio interference due to corona on the
transmission lines?
5 1 2 Find the disruptive critical voltage and visual corona voltage for a grid of line operating at 132 kV. The line consisting of 1.96 cm diameter conductors spaced 3.81 meters apart. The following data can be considered. Temperature 440 c, barometric Pressure 73.7 cm of mercury, conductor surface factor 0.84, fine weather 0.8, rough weather 0.66.
5 5 3 A 3-phase 220 kV, 50 Hz, transmission line consists of 3 cm diameter conductors spaced 2 meters apart in equilateral triangle formation .If the temperature is 200 C and atmospheric pressure 75 cm determine the corona loss per km of the line. Take irregularity factor as 0.8.
5 2 4 Explain the effect of shunt compensation on the performance of transmission lines
5 1 5 A 132 kV line with 2 cm diameter is built so that corona takes place if the line voltage is 220 kV (r.m.s). If the value of potential gradient at which ionization occurs can be taken as 30 kV per cm (peak). Find the spacing between the conductors.
UNIT 6
6 2 1(a) a) Explain why suspension insulators are preferred for high voltage transmission
lines. What is a strain insulator and where it is used?
b) An overhead line has the following data: span length 160 meters, conductor
diameter 0.95 cm, weight per unit length of the conductor 0.65 kg/meter.
Ultimate stress 4,250 kg/cm2, wind pressure 40 kg/cm2 of projected area.
Factor of safety 5. Determine sag?
5
1(b)
6 1 2 Define string efficiency. Why is it necessary to have high string efficiency? How can it be achieved?
6 1 3 A transmission line conductor having a diameter of 19.5 mm weighs 0.85 kg/m. The span is 275 meters. The wind pressure is 40 kg/m2 of projected area with ice coating 13 mm. The ultimate strength of the conductor is 8000 kg. find the maximum sag, if the factor of safety is 2 and ice weighs 910 kg/m3?
6 2 4 Explain how sag is determined for an overhead line conductor taking into account the effects of wind and ice loading.
6 5 5 Each of the three insulators forming a string has a self-capacitance of ‘C’ Farads. The shunting capacitance of the connecting metal work of each insulator is 0.3 C to earth and 0.2 C to the line. A guard ring increases the capacitance to the line of the
metal work of the lowest insulator to 0.5 C. Determine the string efficiency of this arrangement with the guard ring.
DADI INSTITUTE OF ENGINEERING & TECHNOLOGY
NAAC ACCREDITED INSTITUTE
(Approved by A.I.C.T.E., New Delhi & Affiliated to JNTUK, Kakinada)
An ISO 9001:2008, ISO 14001:2004 & OHSAS 18001:2007 Certified Institute.
NH-5, Anakapalle – 531002, Visakhapatnam, A.P.
Phone: 08924-221111 / 221122/9963981111, www.diet.edu.in, E-mail: [email protected]
QUESTION BANK FOR MID EXAMINATION(Academic Year 2019-20)
STRUCTURAL ANALYSIS - II
K.SANTHOSH, Assistant Professor
III Year B-TECH– I Semester Branch: Civil Engineering Regulation: R-16
UNIT-I
CO Level Q.No Questions
1
4 1a Distinguish between two hinged and three hinged arches. [2M]
3
1b A three hinged parabolic arch hinged at the crown and springing has a
horizontal span of 12m and a central rise of 2.5m. it carries a udl of 30
kN/m run over the left hand half of the span. Calculate the resultant at the
end hinges.
1 3
2 A 3-hinged arch is circular, 25 m in span with a central rise of 5m. It is
loaded with a concentrated load of 10 kN at 7.5m from the left hand hinge.
Calculate the i) Horizontal thrust ii) Reaction at each end hinge
iii) Bending moment under the load
1
3
3 A three hinged parabolic arch has a span of 12m. The central rise of the
arch is 4m. It is loaded with a uniformly distributed load of intensity2
kN/m at the left5m length. i) Calculate the maximum positive and negative
bending moments. ii) Calculate the bending moment, normal thrust and
shear at 3m and 9m form left end.
1 5
4 Determine the horizontal thrust and draw bending moment diagram, shear
force diagram and find normal thrust at point ‘D’ of three hinged parabolic
arch ACB as shown in figure
1 2
5 What is the effect of Temperature on two hinged arches? Write an
expression to find the effect of ( rise or fall) temperature in two hinged
arch.
1 2 6a Write about rib shortening and temperature stresses.
3 6b Derive the expression for normal thrust, two hinged circular arch.
1 4
7 Find the horizontal thrust of two hinged parabolic arch shown Figure :3.
Also draw bending moment diagram .Assume the moment of Inertia at any
section varies as the secant of slope at the section. Neglect rib shortening
effect.
1 3
7 A two hinged parabolic arch is loaded as shown in the figure below. Compute the horizontal thrust from the first principles
UNIT-II
CO Level Q.No Questions
2 4
1 Analyze the frame by Cantilever method
2 4 2 Analyse the frame using Portal Method
2
2 3a What are the different approximate methods for lateral load analysis?---3m
2 3b Differentiate between cantilever and portal method.---------3M
1 3c What are the assumptions of portal method and Cantilever method?—4M
2 4
4 Analyse the portal frame shown below by cantilever method which carries
a lateral load of 40kN at the top bay of the frame and 30kN at middle bay
of the frame
2 4
5 Analyse the portal frame by Portal method
2 4
6 Analyse the frame shown in fig below by using Portal method.
2 4
7 Analyse the frame shown in the figure by Portal Frame method.
UNIT-III
CO Level Q.No Questions
3
3 1a Deduce an expression for general cable theorem?
1 1b What are stiffening girders? Discuss
1 1c What are the temperature stresses in a cable?
3 4
2 A three hinged suspension girder bridge has a span of 300m over the
supports atsame level. It has a central dip of 30m.The girder carries three
point loads of20kN, 30kN and 40kN acting at 45m, 90m and 160m
respectively from the leftend. Draw the B.M.D.
3 4
3 A cable hangs between two supports at a distance 140m apart. One end of
the support is 4m above the other. The cable is loaded with a udl of 1
kN/m. The sag of the cable from higher end is 6m. Find the horizontal
thrust and the maximum tension in the cable
3 4
4 The cables of suspension bridge have span 60m and central dip 7.5m. Each
cable stiffened by girder hinged at ends and also at middle C to maintain
parabolic shape of cable. The girder subjected to dead load 10kN/m and
live load 20kN/m of 15m long. Find the maximum tension in cable when
leading edge of the live load is just at centre C of the girder. Draw SFD and
BMD of girder.
3
3 5a Give an expression to find the effect of Temperature in two hinged
stiffened girder of cable stayed suspension bridge.
4 5b
A two hinged stiffened girder AB of span 100 m and central dip 10m is
subjected to two point loads 250 kN and 350 kN at 30m and 70m from left
support respectively. Find Shear force and Bending moment at 35m from
left end .
3 4 6
Two hinged girders of a suspension bridge have a span of 100m,the dip of
the supporting cable being 10m.If the girder is subjected to two point loads
of 300kN and 100kN at distances of 20m and 80m from the left end , find
the S.F and B.M for the girder at 25m from the left end. Find also the
maximum tension in the cable.
3 4 7
A light cable 26m long is supported at two ends at the same level. The
supports are 24m apart. The cable supports three loads 7, 9 and 11 N
dividing the 24m distance in to four equal parts. Find the shape of the
string and the tension in various portions.
UNIT-IV
CO Level Q.No Questions
4 4 1
Using moment distribution method analyze the two span continuous beam.
The moment of inertia of AB = I while that of BC = 2I. The ends A and C
are Fixed.Sketch the B.M. and S.F. diagram. Span AB carries a concentric
load of 40 kN with a span of 8m and span BC carries an udl of 30 kN/m
over a span of 10m.
4 4 2
Analyze the portal frame by moment distribution method. Draw the
bending moment diagram and sketch the deflected shape of the structure.
The twocolumns of AB and CD of 54m height with I, Beam BC of span
5m, with 2I. The beam BC carries an udl of 15 kN/m. The supports at A
and D are fixed
4 4 3
Compute the moments over the supports of the beam shown in Figure
below:
4 4
4 Analyze the portal frame as shown in figure by moment distribution
method and draw Bending moment diagram. (Assume E=2x105 MPa and
I=6x106mm4)
4 4
5 Analyse the continuous beam by moment distribution method. Draw the
shear force diagram and bending moment diagram.
4 4
6 Analyse the beam shown in figure by the moment distribution method.
Support B sinks by 10 mm. E = 200 kN/mm2 I = 4000 × 104 mm
4 Draw
BMD and SFD.
4 4
7 Draw BMD for the Continuous beam shown in fig.3 by using Moment
Distribution method.
UNIT-V
CO Level Q.No Questions
4 4 1 Analyze a continuous beam having a 3- bays of Span 3 m each by Kani’s’
method.
4 4
2 Analyze the portal frame using Kani’s procedure. The two columns of AB
and CD of 6m height, Beam BC of span 10m, with EI constant. The
column CD carries an udl of 30 kN/m. The supports at A and D are fixed.
4 4
3 Analyze the frame shown in figure below by Kani’s method
4 4
4 Determine the support moments for the continuous beam shown in figure
by Kani’s method. The relative I values are indicated along the member in
each span. EI is constant. Sketch the BMD and SFD
4 4
5 Using Kani’s method, determine the support moments for the three-span
continuous beam with fixed end supports, having spans AB, BC and CD.
Span AB carries an eccentric point load of 80kN, 4m span and a load at 1m
from point A. Span BC carries an udl of 20 kN/m of 6m span and span CD
carries a concentric point load of 60 kN having a span of 4m (EI constant).
Sketch the B.M. and S.F.D.
4 4
6 Analyze the continuous beam by using Kani’s procedure. The moment of
inertia of AB = I while that of BC = 2I. The ends A and C are Fixed.
Sketch the B.M. and S.F. diagram. Span AB carries a concentric load of 36
kN with a span of 6m and span BC carries an udl of 20 kN/m over a span
of 8m.
4 4
7 Using the Kani’s method analyse the frame shown in fig.
UNIT-VI
CO Level Q.No Questions
4 1 1a What are the characteristics of stiffness method?
2 1b Distinguish between Flexibility method and Stiffness method.
4 4
2 Analyze the continuous beam shown in figure by Flexibility method .
Assume down ward settlement of support B is 30mm.Assume uniform
flexural rigidity of beam ABC , and EI=14x1011N-mm2
4 4
3 Analyze the continuous beam shown in figure by Stiffness method .
Assume uniform flexural rigidity of beam AB and BC= EI=16x1011 N-
mm2
4 4
4 Draw BMD for the beam shown in fig.5 by using Flexibility method.
4 4
5 Using stiffness matrix method find the end moments at A and B for the
given
beam as shown in fig
4 2 6 Explain the matrix approach to structural analysis of continuous beams.
DADI INSTITUTE OF ENGINEERING & TECHNOLOGY
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Phone: 08924-221111 / 221122/9963981111, www.diet.edu.in, E-mail: [email protected]
QUESTION BANK FOR MID EXAMINATION(Academic Year 2019-20)
TRANSPORTATION ENGINEERING-II
LAVANYA.P, Assistant Professor
III Year B-TECH– I Semester Branch: Civil Engineering Regulation: R-16
UNIT-I
CO Level Q.No Questions
1 1 1 What are the functions and requirements of Rails and Sleepers?What is
adzing of sleepers? Why it is needed? 1 2 2 Draw the cross section of a typical permanent way, indicate various
components?
1 1 3 What is creep of rails? What are the theories related to creep? Explain? 1 1&6 4 What do you understand by gauge? Mention the gauges used on Indian
Railways and Discuss their suitability at different locations with reasons?
1 2 5 Draw neat labeled cross section of a single line and double line broad
gauge track in embankment on straight path?
1 1 6 What are the requirements of an ideal permanent way? Explain?
1 2 7 Explain the role of chairs, keys and fish plates as track fittings and
fastenings. Support your answer with neat sketches?
1 2 8 Explain the role of chairs, keys and fish plates as track fittings and
fastenings. Support your answer with neat sketches?
UNIT-II
CO Level Q.No Questions
2 1&2 1 What are the different gradients adopted in the geo metric design of a
railway track? Explain Factors affecting gradient.
2 1&6 2 What is the need for providing super elevation on curves of a railway
track? Derive a relationship between the rate of super elevation, Gauge,
speed and radius of the curve?
2 1&2 3 What is safe speed for a given railway track? On what factors safe speed
depends? Explain the formulae used for computing the safe speed on
curves as per Indian practice?
2 2 4 Explain about negative super elevation and the situation where negative
super elevation is required in a railway track.
2 6 5 Derive an expression to determine cant or super elevation with reference to
standard notations and geometric condition? 2 1 6 What is transition curve and what are the assumptions made with reference
to its geometric condition?
2 1 7 What are the surveys conducted for railway track?
2 1 8 Why the curves provided? Explain the different types of curves with neat
sketch?
UNIT-III
CO Level Q.No Questions
3 1 1 Define and state the different types of turnout? Define points and
switches?
3 1 2 Draw a typical sketch showing the complete set of track components for a
turnout?
3 1 3 Define the following terms. I) crossing angle ii) facing angle iii) trailing
angle iv) lead rail v) tie rod vi) switch angle vii) theoretical nose.
3 6 4 Discuss the ideal and essential requirements of crossings and turnouts.
3 1 5 Draw the neat sketch of left hand and right hand turnouts? Explain briefly
scissors crossover, diamond crossover?
3 1 6 What is signaling and what are the objectives of signaling system? List out
the different types of signaling systems used in station yards?
3 2 7 Explain the principals of interlocking?
UNIT-IV
CO Level Q.No Questions
4 2 1 Explain the procedure for airport master plan and list out the objectives of
airport planning?
4 1 2 What are the surveys conducted and the data collected for airport site
selection? List out Factors affecting selecting the site for airport?
4 6 3 Define wind rose diagram and its uses? define taxiway?
4 2 4 Explain the classification of runways?
4 1 5 What are the various factors governing the layout of taxiway? Write short
note on terminal area?
4 1 6 Write a short note on visual aid ? what is the necessity of visual aids
UNIT-V
CO Level Q.No Questions
5 1&2 1 What are the different methods for design flexible pavements and explain
any one briefly?
5 2 2 Explain in detail about rigid pavements?
5 1 3 Write a short note on the drainages for airports? List out the characteristics
and requirements of airport design?
5 2 4 Explain the design procedure for surface drainage?
5 2 5 Explain the LCN system for runway pavement design?
5 1 6 What are the air field failures?
5 1 7 What are the different steps for maintains and rehabilitation of air field
pavements?
5 1 8 What are the evolution and strengthening of airfield pavements?
UNIT-VI
CO Level Q.No Questions
6 1 1 1. What is meant by port and harbor? What are the different types of
ports.What are the requirements of good ports and harbours?
6 1&2 2 What is meant by transition sheads and work houses?Explain about
workhouses with a neat sketch?
6 4 3 Classification of harbours?
6 6 4 Define break water what are the different types of break waters?
6 1 5 What is dredging? What are the different types of dredges ?
6 1 6 What are the navigational aids why are they necessary in harbours?
6 1 7 write a short note on i) wharves ii) jetties iii) quay walls iv) tides
6 4 8 Difference between jetty and wharves?