BHAGWAN MAHAVIR POLYTECHNIC
Transcript of BHAGWAN MAHAVIR POLYTECHNIC
BHAGWAN MAHAVIR POLYTECHNIC
Vesu-Bharthana, Surat
Civil department
Assignment
Subject : Advance construction technology
(3350605)
ASSIGNMENT- 1
1) List advanced type of machinery required for the following constructions:
Multi storied buildings
Chimney
Earthen dam
Marine and offshore structure
Concrete dam
Bridges
2) Prepare a list of advanced type of civil engineering structure.
3) Explain effect of following forces on buildings.
Wind load
Water pressure
Earthquake load
4) List points to be considered in construction of advanced civil engineering
structures.
5) List admixtures used in concrete and explain any three.
6) Discuss use of waste products in concrete.
7) State advantages of accelerators as admixture.
8) Give advantages of fly ash.
ASSIGNMENT - 2
1. List factors affecting selection of type of construction equipment.
2. List excavating equipment and explain dragline with neat sketch.
3. Draw line sketch of power shovel and explain its operation.
4. List earthmoving equipment and explain tractor with sketch.
5. List material Hauling equipment and explain trucks.
6. Enumerate hoisting equipment and explain any one.
7. Write short note on:
Aerial tramways
Tower crane
Shear leg
Locomotive crane
Gantry crane
Wagon
8. List types of pumps and explain reciprocating pump.
9. List different types of rollers used for compacting soil and explain sheep foot roller.
10. Different between : sheep foot roller and pneumatic roller.
11. Draw line diagram for batch type hot mix plant and explain its component.
12. Explain batch mix plant for large construction project.
13. Write short note on :
Bucket ladder dredger.
Grab dredger.
Dipper dredger.
14. List equipment used for grouting and draw flow diagram for grouting.
15. Explain the jaw crusher.
ASSIGNMENT – 3
1. Distinguish between shallow excavation and deep excavation.
2. Explain necessity of timbering to the trenches.
3. List various methods of timbering and explain ‘box sheeting’ method with neat sketch.
4. Give precautions to be taken during timbering.
5. Give necessity of dewatering.
6. Write short note on :
i. Freezing
ii. Cement grouting
iii. Well point system
iv. Electro osmosis
7. Explain double stage timbering with neat sketch.
8. Explain chemical consolidation method for dewatering.
ASSIGNMENT - 4 1. Distinguish between:
i. Shallow foundation and deep foundation.
ii. End bearing pile and friction pile.
2. Give classification of piles based on function or use.
3. Give advantages and disadvantages of cast-in-situ concrete piles.
4. Explain: Pre-cast concrete piles with advantages and disadvantages.
5. Write short note on:
i. Steel piles
ii. Composite piles
iii. Pile cap
6. Explain factors affecting selection of type of pile.
7. Write short note on: Under reamed piles.
8. Draw sketches and explain:
i. Pedestal pile
ii. Drop hammer
iii. Button bottom pile
9. Give function of following piles:
i. End bearing pile
ii. Friction pile
iii. Sheet pile
10. Give causes of failure of piles.
11. Explain drop hammer.
ASSIGNMENT – 5
1. Define cofferdam. List the situations where cofferdam is required and give uses of
cofferdam.
2. Write short note on:
i. Earthen cofferdam
ii. Rock fill cofferdam
iii. Single wall cofferdam
iv. Cellular cofferdam
3. Distinguish between: Cellular cell cofferdam and diaphragm type cofferdam.
4. Explain forces acting on cofferdam.
5. Write short note on: Economic height of cofferdam.
ASSIGNMENT – 6
1. Define caisson. Give uses of caissons.
2. Differentiate between: Caisson and Cofferdam
3. Give types of caissons and explain box caisson.
4. Write short note on:
Open caissons
Pneumatic caisson
5. Explain construction of well foundations.
6. Explain caisson disease and caisson sickness.
7. Explain: tilting and shifting of wells.
ASSIGNMENT - 7
1. Define drilling. Give necessity of drilling.
2. Explain terms used in drilling.
i. Dynamite
ii. Safety fuse
iii. Blasting cap
iv. Prime line
v. Blast hole
vi. Primer
vii. Stemming
viii. Prime det
3. Give factor affecting selection of drilling method and equipment.
4. Give types of drilling patterns. List factor affecting selection of drilling pattern.
5. List various explosive used for blasting.
6. Give precaution to be taken during blasting.
7. Write a short note on:
i. Magazine building
ii. Misfire
iii. Firing Charges
iv. Economy of drill hole
8. Explain various types of drills.
ASSIGNMENT - 8
1) Define formwork and give its necessity.
2) Describe various materials used for form work.
3) Draw and Explain neat sketch of column formwork.
4) Explain formwork of slab with neat sketch.
5) Explain formwork of beam with neat sketch.
6) Explain slip formwork.
7) Write a short note on: Trestle centering
8) Explain crib in brief. Give its uses.
9) Explain: economy in formwork.
ASSIGNMENT - 9
1) List equipment used for erection of steel structure.
2) List factors affecting selection of equipments for erection.
3) Explain erection of steel roof truss with sketches.
4) Explain erection of steel building.
5) Explain erection of steel bridge with sketch.
6) Explain erection of plate girder with sketch.
7) Explain erection of lattice girder with sketch.
BHAGWAN MAHAVIR POLYTECHNIC
CIVIL DEPARTMENT
DESIGN OF STEEL STRUCTURES (3350601)
5TH SEMESTER
CHAPTER: 1 INTRODUCTION
1. Define characteristic strength, characteristic action,
partial safety factors.
2. Give advantages and disadvantages of structural steel.
3. List hot rolled steel sections used in practice.
4. What is limit state? explain various serviceability limit
states considered by IS: 800 – 2007.
5. Explain limit state of strength and serviceability.
BHAGWAN MAHAVIR POLYTECHNIC
CIVIL DEPARTMENT
DESIGN OF STEEL STRUCTURES (3350601)
5TH SEMESTER
CHAPTER: 2 BOLTED CONNECTIONS
1. Write advantages of bolted connections.
2. Types of bolted joints.
3. Two plates 80mm wide and 12mm and 20mm thick are
connected by lap joints to resist design tensile load 70 kn. Design
a lap joints using M16 bolts of grade 4.6 and grade 410 plates.
4. Determine bolt value of 20mm diameter bolt connecting 10mm
plate in,
(a) Single shear
(b) Double shear
Grade of bolt is 4.6 and grade of plate is 410 MPa.
5. A single bolted double cover butt joint is used to connect two
plates of 6mm thickness. Considering the bolts of 20mm
diameter at 50mm pitch, calculate the efficiency of the joint. Use
410 MPa plates and 4.6 grade bolts.
6. ISA 125 × 75 × 8 mm is required to be connected to 8mm th.
G.P in order to transfer axial tension factored force of 160kn.
Assume longer leg is connected to G.P. using 20mm dia M 4.6
grade bolt, design the bolted connection. Consider 𝑢=410
N/𝑚𝑚2. Assume machine cut plate and pitch of thread =2.5mm
7. A member of a steel roof truss consists of two angle ISA 75 × 75
× 6 mm placed back to back on either side of 8mm
thick gusset plate. The member carries an ultimate
tensile load of 150 KN. Determine the number of
16mm diameter 4.6 grade ordinary bolts required for
the joints. Assume 𝑢of plate as 410 MPa.
BHAGWAN MAHAVIR POLYTECHNIC
CIVIL DEPARTMENT
DESIGN OF STEEL STRUCTURES (3350601)
5TH SEMESTER
CHAPTER: 3 WELDED CONNECTIONS
1. What are the advantages and disadvantages of welding over
bolting or riveting.
2. Explain types of welding with neat sketches.
3. Explain followings for fillet weld.
i. Size of weld ii. Throat thickness iii. Leg of weld
4. Design suitable fillet weld to connect a tie plate 60×8 mm to
a 12 mm thick gusset plate. The plate is subjected to
load equal to full strength of the member, Assume shop
welding and Fe 410.
5. An ISA 125 × 75 × 8 mm is to be connected with 8 mm thick
gusset plate with its longer leg connected by 4 mm size weld
to transfer an axial pull of 120 KN. Design the welded
connection and show the details by sketch. Assume steel
grade Fe 410.
6. Two ISA 110 × 110 × 8 mm are connected on both sides
(either side) of gusset plate to resist and axial force of 400
KN. Considering 6 mm size fillet weld on toe and
back, design the welded connection and show the details.
BHAGWAN MAHAVIR POLYTECHNIC
CIVIL DEPARTMENT
DESIGN OF STEEL STRUCTURES (3350601)
5TH SEMESTER
CHAPTER: 4 DESIGN OF TENSION MEMBERS
1. List some of the tension members used in buildings and bridges.
2. Write short note on ‘block shear failure’ in plates and angle.
3. A single unequal angle 100 × 75 × 6 mm is connected to a 10
mm thick gusset plate at the ends with six 16 mm diameter bolts
to transfer tension. Determine the design tensile strength of the
angle assuming that the yield and ultimate stress of steel used are
250 MPa 410 MPa. Assume that the longer leg is connected to
the gusset plate. Also calculate efficiency of the member.
4. Determine the design tensile strength of plate 160 × 8 mm
connected to 10 mm thick gusset using M 16 bolts as shown in
figure. The yield stress of steel is 250 MPa and ultimate is 410
MPa.
5. A tension member consists of two angles 90 × 90 × 8 mm
bolted to 10 m gusset, on either side of gusset plate using single
row of bolts and tack bolted. Determine the tensile capacity
of the member and number of bolts required to develop full
capacity of the member.
What will be the capacity if the angle are
connected on the same side of the gusset plate and
tack bolted?
What if the effect on tensile strength if the
members are not tack bolted? Tack yield stress of
steel as 250 MPa and ultimate stress 410 MPa.
6. Determine the tensile strength of an angle ISA 100 × 75 × 6
mm connected to the gusset plate by 4 mm weld at toe and
back as shown in figure. Take 𝑦=250 MPa.
7. Select suitable angle section to carry a factored tensile load of
210
KN assuming a single row of M 20 bolts and 𝑦=250 𝑁/𝑚𝑚2.
8. A tension member in a roof truss is subjected to factored tensile
load of 300 KN. Design the member using two angles on both
side of gusset plate. Assume 𝑦=250 MPa and 20 mm diameter
bolts.
9. Design a tension member to carry a factored load of 230 KN.
Use single unequal angle with 4 mm fillet weld forthe
connections to gusset plate. Length of members is 3.0 m. take 𝑦 =
250 MPa and
= 410 MPa.
BHAGWAN MAHAVIR POLYTECHNIC
CIVIL DEPARTMENT
DESIGN OF STEEL STRUCTURES (3350601)
5TH SEMESTER
CHAPTER: 5 DESIGN OF COMPRESSION MEMBERS
1. Sketch the various builtup section used as compression member.
2. Explain different end conditions of columns with their effective
length.
3. Determine the compressive strength of a single ISA 100 × 100
× 8 mm @ 12.1 kg/m with the length of member 2.5
m. the ends of the member are hinged. Assume that
the load is applied concentrically to the angle. Take 𝑦
= 250 MPa.
4. Calculate the compressive strength of a single angle strut
ISA
100× 75 × 10 mm with centre to centre length of 1.5 m. angle is
loaded through one leg and ends are fixed. Consider 1 bolt at the
each end. Take 𝑦= 250 MPa.
5. A double angle discontinuous strut made up of 2ISA 75 × 75 ×
6 mm is placed back to back on either side of 10 mm thick gusset
plate and tack bolted. The length of member is 3.0 m between
intersection. Determine the compression capacity if 410 & 𝑦
=250 MPa ( = 23.00 mm, 𝑟𝑦𝑦 = 34.40 mm, a = 1732
𝑚𝑚2).
6. Design a single angle discontinuous strut to carry a factored load
of 65 KN. Assume that the distance between its joints is 2.5 m.
use 𝑦= 250 MPa.
7. Design a double angle discontinuous strut carry a factored load of
200 KN. The length of strut is 3.0 m between intersection. The
two angles are connected back to back on opposite sides of
gusset plate and tack bolted.
8. An ISHB 300 @ 588 N/m is to be used as a short
column.
Determine its compressive strength using Fe 540 steel with
a design strength of 𝑦= 410 MPa.
9. Design a steel column to carry factored axial load of 1500 KN.
The length of column is 3.6 m and hinged at both ends.
10. Design a column to carry an axial factored load of 1200
KN.
The actual length of column is 6 m with both ends effectively
held in position and restrained against rotation. Select two
channels back to back. Assume that the column is laced and =
250 MPa.
11. Design a column to carry a factored load of 2000 KN. The
length of column is 5.0 m with effectively held in position at
both ends but restrained against rotation at one end. Only
rolled I- section and plates are available take 𝑦= 250 MPa.
BHAGWAN MAHAVIR POLYTECHNIC
CIVIL DEPARTMENT
DESIGN OF STEEL STRUCTURES (3350601)
5TH SEMESTER
CHAPTER: 6 LACING, BATTERING AND COLUMN BASES
1. Give the IS requirements for the design of lacings.
2. Explain with neat sketches, the single lacing system and double
lacing system.
3. Explain ‘battening’ with neat sketch.
4. Difference: single lacing double lacing.
5. Design a single lacing system for a column composed of 2 ISMC
300@ 35.8 kg/m placed back to back at clear spacing of 200
mm. axial factored load on column is 1500 KN. Effective
length of column is 5.0 m.
6. Design battening system for a built up column of 2 ISLC 250
spaced at 140 mm back to back. The column is carrying factored
axial load of 1200 KN and 6 m length. The both ends of
the column are effectively held in position and restrained
against rotation.
7. Design a slab base foundation for a column ISHB 350 to carry a
factored axial load of 1200 KN. Assume Fe 410 grade steel and
M25 concrete. Take safe bearing capacity of soil as 200KN/𝑚2 .
BHAGWAN MAHAVIR POLYTECHNIC
CIVIL DEPARTMENT
DESIGN OF STEEL STRUCTURES (3350601)
5TH SEMESTER
CHAPTER: 7 PURLIN AND SIMPLE BEAM
1. Distinguish between angle purlin and tubular purlin.
2. Explain various failure modes of beams.
3. Design an angle section for a purlin having 3.0 m span. It
carries design load (working) of 2.5 KN/m and supported
on four supports. Angle of roof truss is 26°.
4. An ISA 150 × 115 × 10 mm is used as a continuous
purlin
over an effective span of 4m. find load carrying capacity
of the purlin.
5. Design a simply supported beam of span 6m
carrying working loads of DL = 15 KN/m and LL
=10 KN/m. Assume that the compression flange of
the beam is laterally restrained throughout.
BHAGWAN MAHAVIR POLYTECHNIC
CIVIL DEPARTMENT
DESIGN OF STEEL STRUCTURES (3350601)
5TH SEMESTER
CHAPTER: 8 STEEL ROOF TRUSS
1. Draw the line sketches of different types of roof trusses and
state the suitability of each for span.
2. Draw a steel roof truss and show its components.
3. State factors affecting wind load.
4. Determine dead load, live load and wind load per panel point
for the roof truss of a workshop shed constructed
at Ahmedabad for the following requirements.
i. Span of truss= 15 meters
ii. Spacing of truss= 4 m c/c.
iii. Rise of truss= 3 meters
iv. Height of truss above G.L= 20 meters
v. A.C.C sheets @ 150 𝑁/𝑚2 are used as roofcovering
vi. Assume weight of Purlin and other fixtures= 120 𝑁/𝑚2
per plan area.
vii. Total nos. of panels= 8
viii. Opening of wall area= 10%
ix. Probable life of roof truss= 25 years, terrain category= 3
and class= A structures.
x. Topography= plain horizontal ground and upwind slope
less than 3°.
5. A steel roof truss has plan area of 80 𝑚2 and roof area of 90
𝑚2. Calculate D.L. and total L.L. on the truss.
6. Using the following data calculate total W.L. on the truss. i.
Total roof area = 72 𝑚2.
ii. Risk factor 𝐾1 & Topography factor 𝐾3= 1.
iii. Terrain factor 𝐾2= 1.02
iv. Cpi = ± 0.5
v. Cpe = -0.8
vi. Place = Ahmedabad
Estimating Costing & Valuation(3350604)
Assignment 1 INTRODUCTION
Q-1) Write down definition
1) Estimate
2) Quantity Surveying
3) Costing
Q-2) Write data required for preparing an estimate
Q-3) Difference between Approx estimate & detailed estimate
Q-4) Write down skill/Quelities of good estimator
Q-5)Write down methods of preparing approximate estimate
Q-6)Write down methods of details estimate
Q-7) Write down
1) Provisional Sum
2) Prime Cost
3) Provisional Quantities
4) Sport Itms
5) Day Work
6) Contingency
7) Work Charge Establishment Charge
8) Overhead Chargs
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Submission Date:01-07-2019
Estimating Costing & Valuation(3350604)
Assignment- 2 Made of measurements
Q-1) Write down Accuracy Criteria & Rules for Deduction For measurement of
different work
1) Brick Work
2) Concrete
3) Painting
4) Earth work
5) Formwork
6) Plastering
Q-2) Write down Measurement units
Q-3) Write down Multiplying Factor For Each Type of Door & Windows
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Submission Date:12-07-2019
Estimating Costing & Valuation(3350604)
Assignment- 3 Specification
Q-1) What is specification? And write down importance and purpose of
specification
Q-2) Write down types of specification
Q-3) Write down principal of writing specification
Q-4) Detailed specification of various items
1) Earth work in excavation foundation
2) Reinforced cement concrete (1:2:4)
3) Specification for 1st class brick work
4) 15mm thick cement mortar in C.M.1:3
5) Wood work for door window and shutter
6) cement concrete for foundation (1:4:8)
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Submission Date:19-07-2019
Estimating Costing & Valuation(3350604)
Assignment-4 Rate Analysis
Q-1) Define rate analysis state factor affecting rate analysis
Q-2) Write short note on schedule of rates
Q-3) Explain Task work
Q-4) list factor affecting task work
Q-5) Give rate analysis of the following
1) Cement concrete 1:4:8 for foundation
2) Lime concrete 1:4:8 in foundation
3) R.C.C work in slab (1:2:4)
4) First Class brickwork in superstructure
5) Brickwork for 10 cm thick partition wall in C.M. 1:4
6) 12mm thick cement plaster in C.M.1:4
7) 15mm thick cement plaster in C.M. 1:3
8) White washing in three coats
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Submission Date: 26 -07-2019
Estimating Costing & Valuation(3350604)
Assignment-5 Detailed Estimation
Q-1) Explain Measurement Sheet
Q-2) Explain Abstract Sheet
Q-3) Method of calculating quanittes
Q-4) Deduction for opening in masonry
Q-5)Explain Length of steel bars
EXAMPLS
Q-6)The detail of road as given under
CH. 0 50 100 150 200 250 300 350 400
G.L.(m) 90.5 90.7 90.3 90.8 100.0 100.5 90.1 90.0 92.0
Formation width = 10m
Side slope = 2:1
Formation gradient 1:500 falling
Formation level at 0 m CH. is 90 m
(i) Calculate earthwork by Prismoidal formula
(ii) Draw longitudinal section
(iii) Draw C/S at 150 m CH.
Q-7)Calculate the quantities of earthwork by mid-sectional area method & mean sectional
area method
Chainage(m) 100 120 140 170
G.L.(m) 6.20 6.35 6.50 6.80
Formation width = 8 m, side slope = 1 : 1 (for cutting) & 1:2(for filling) Formation level at
100 m chainage =7.00 m Formation has neither transverse nor longitudinal slope.
Q-8) Find out the quantity of earth work in road.The formation width of road is
10m. Side slope in cutting is 1:1 and in banking is 2:1 Road formation has
downward slope of 1 in 150. Use Mid Sectional Area method.
CH.m. 0 30 60 90 120 150
GL. m. 105.00 105.30 105.60 105.50 105.70 105.00
FL. M 107.00
Q-9)Find out the quantity of earth work in road in sloping ground in cutting. Side
slope in cutting is 1.5:1. Formation width is 10.00m. Use prismoidal formula.
Chainage in m. Depth in cutting atcentre in m. Cross slope of ground(r:1).
0 3.00 6:1
30 4.00 7:1
60 4.50 8:1
Q-10)Calculate quantities of earth work by Prizmoidal formula for a road section having
following data:
Chainage(m) 0 30 60 90 120 150 180
G.L. (m) 57.20 57.90 58.00 58.80 59.00 60.80 59.10
(1) Formation width is 10.00 m.
(2) Formation R.L. at 0 m Chainage is 58.00 m.
(3) Formation has no longitudinal slope.
(4) Side slopes: (a) 2:1 (H: V) in filling (b) 1.50: 1 (H: V) in cutting.
Assume dimensions and other details if necessary. Room dim are in mt.
D: 1.0 x 2.0 m W1: 0.9 x 1.0 m V: 0.6 x 0.6 m Room height: 3.0 m
Sill ht.: 1.0 m Lintel ht.: 2.0 m
Estimating Costing & Valuation(3350604)
Assignment- 6 valuation
Q-1) Difference between cost & value
Q-2) Difference between real estate & personal estimate
Q-3) Difference between price & value
Q-4) The value of property depends on
Q-5) Purpose of valuation
Q-6) Difference between Estimation and valuaction
Q-7) Characteristics of a good valuer
Q-8)Define Price and Cost.
Q-9)Define Annuity and State types of Annuity
Q-10) Enlist types of value and explain any one.
Q-11) Explain: Sinking fund.
Q-12) Differentiate between scrap value& salvage value
Q-13) Explain: Purposes of valuation
Q-14)Differentiate between (i) Scrap value and Salvage value (ii) Book value and Market
value.
Q-15)Enlist different forms of value and explain any two.
Q-16) Enlist types of rent and explain any one.
EXAMPLS
1) The present value of a machine is Rs. 3,25,000/- and scrap value after 5 years is Rs.
25,000/- . Calculate depreciated cost by Constant percentage method and Straight line method
if life of machine is 15 years.
2) (i) Find out the yearly installment of loan Rs.80,000/- at rate of interest 10% is
to be repaid in 15 years. (ii) If the amount invested in ‘National Saving Scheme’ is double in
7 years, calculate the rate of interest.
3)A person purchases a house for Rs. 6, 00,000. The scrap value of building is 10% of its
construction cost. The useful life of building is 50 years. The rate of interest is 8 %. Consider
the land cost Rs.80, 000. Calculate the annual installment of sinking fund.
4) A property holder earns an annual gross income of Rs. 50,000 as a rent from his property
.The total outgoings are 20% of the gross income. The rate of interest is 7 %. Calculate the
capitalized value of a property.
5)Determine the valuation of a Cinema from following details.
Present value of land - Rs. 3,50,000/-
Future life of Building - 15 years
There are three shows daily.
Income from a show at full capacity – Rs. 1,20,000/-
All outgoings are 70% of total income.
The rate of interest is 9% for capital & 6% for S.F.
6)A person purchased a building for Rs. 10,00,000 having land cost of Rs. 2, 00,000. If life of
building is 40 years and rate of interest is 8.50 %. Find the annual installment of sinking fund.
Assume scrap value as 10% of the construction cost.
7) A property holder earns an annual gross income of Rs. 72,000 as a rent from his
property. The total outgoings are 20% of the gross income. The rate of interest is 8%.
Calculate the capitalized value of a property.
8)An owner of a property creates a sinking fund by depositing Rs.2000 from
rent amount every year. He wishes to make extension of building after 20
years. If rate of interest is 10%. How much amount will be accumulated?
9)A person has taken a building loan of Rs.500000/- from a bank for 20
years with 9 % rate of interest. Find the annual installment of loan.
10)Calculate monthly rent of a newly constructed building from the
following data.
(i) Cost of land Rs.700000/-
(ii) Cost of construction Rs.500000/-
(iii)Total outgoings including S.F. are 15 % of gross
rent. (iv) Net return on const. cost is 10 % & on land
cost is 5 %
11)A property earns net income of Rs.48000 annually. The life of the property is
30 years. If rate of interest on capital is 6% & on S.F.is 4%. Decide the
value of property
12)In a plot costing Rs.20,00,000.00 a building is constructed at a cost of
Rs.40,00,000.00. The building consist of eight flats. The owner expects
8% return on the cost of construction and 5% return on the cost of land.
Calculate the monthly rent of each flat.
(i) Life of building 70 years. Rate of interest for sinking fund is
5%. (ii)Annual repair cost at1% of construction cost.
(iii)Other outgoings with all taxes at 30% of total rent.
(iv)Take scrap value of building at 10% of construction
cost.
13)Workout annual installment for the loan of Rs. 15,00,000.00 to be paid in
15 years.Take interest as 10.50%
BHAGWAN MAHAVIR
POLYTECHNIC
Vesu-Bharthana, Surat Civil
department Assignment
Subject :WSSE
(3350603)
ASSIGNMENT-1
Q-1 Give importance and necessity of water schemes.
Q-2 List various sources of water on the earth.
Q-3 Give the factores to be considered while selecting the
source of water supply.
Q-4 Give the duties of public health engineers.
Q-5 Explain importance and necessity of public health
engineering.
ASSIGNMENT-2
Q-1 Give factor affecting per capita demand of water.
Q-2 Explain physical characteristics of water .
Q-3 Give water quality standards as per is.
Q-4 What is population forecasting? What is its necessity for a
water supply scheme? Write different method of it.
Q-5 Enlist different water quality parameters.
Q-6 Population of city at the and of decades is given in the table
below:
Year 1950 1960 1970 1980 1990 2000
Populatio
n
25600 31500 44500 65000 89000 105000
-Calculate population at the end of decade 2010,2020&2030
using arirhmatic increase method,geometric increase method &
incremental increase method.
Q-7 Estimate the waterdemand for fire for population of
ASSIGNMENT-2
2,50,000 using:
(i)kuichling formula
(ii)buston’s formula
(iii)freeman’s formula
Q-8 the population of a city at the and of decades is given in the
table:
year 1951 1961 1971 1981 1991
Populatio
n
60000 81000 120000 159000 210500
-calculate population at the and of year 2011 & 2021 using
arithmetic increase method , geometric increase method &
incremental method.
ASSIGNMENT-3
Q-1 what is coagulation ? list chemical used for coagulation.
Q-2 Give importance of filteration explain working of rapid
sand filter with neat sketch.
Q-3 Explain zeolite process of removing hardness .
Q-4 Explain various method of disinfection of water.
Q-5 Explain tar test determine optimum dosage of coagulant.
Q-6 Explain slow sand filter with sketch.
Q-7 Explain with sketch principle of flocculation.
Q-8 Give necessity of water treatement.
Q-9 List main process of water treatement plan and enlist
impurities removed during each process.
ASSIGNMENT-4
Q-1 Explain types of pipes use for conveyance of water.
Q-2 Explain diffrent pipe joints.
Q-3 Explain method of water distrileution.
Q-4 Explain lay out of distribution networks.
Q-5 What is service reservoirs?write functions and types of
service reservoirs.
ASSIGNMENT-5
Q-1 Explain type of valves with neat sketches.
Q-2 Explain displacement type meter & velocity type meter.
Q-3 Write requirement of an idea meter and write advantages
and disadvantages of metering.
Q-4 Write uses of pipe fitting and fixtures with figure.
ASSIGNMENT -6
Q-1 Write necessity of maintenance of water supply mains.
Q-2 Explain leakage detection techniques.
Q-3 explain methods of prevent leaks?
Q-4 Give measures to prevent ‘loss’ and ‘wastage’ of water.
ASSIGNMENT-7
Q-1 Define:
-sewage
-sewers
-sullage
-sewerage
-garbage
-storm water
-waste water
-refuse
Q-2 Explain sanitary works.
ASSIGNMENT-7
Q-3 Draw flow chart of sanitary system. And write objects of
sewage disposal.
Q-4 Differentiate between conservancy and water carriage
system.
Q-5 Comparison between separate and combined system.
ASSIGNMENT -8
Q-1 Draw and explain sections are adopted for the construction
of surface drains.
Q-2 Explain different types of sewer.
Q-3 Write and briefly explain sewer appurtenances with uses
and location.
Q-4 Explain sewer joints.
Q-5 Explain Bio-Gas plant with advantages and disadvantages.
ASSIGNMENT -9
Q-1 Write characteristics of waste water and their sources.
Q-2 Write chemical characteristics of sewage.
Q-3 what is BOD? Explain test and limitations of BOD test.
Q-4 Distinguish between BOD and COD.
Q-5 What is populations epuivalent? Write uses of it.
Q-6 Write methods of sewage treatment.
Q-7 What is screening? Explain types of screens.
Q-8 Write short note on HRTF?
Q-9 What is aeration tanks?
Q-10 Write short note on activated sludge process.
Q-1 Define:
Plumbing
Plumbing system
Service pipe
Air gap
Back siphonage
Assignment-10
Q-2 List and explain plumbing tools.
Q-3 Explain types of pipes.
Q-4 Draw different pipe fittings.
Q-5 List and explain types of traps.
Q-6 What is house drainage? Write aims of it and also explain
principles of house drainage.
Q-7 Explain systems of plumbing.
Q-1 What are duties of sewerage maintenance incharge?
Q-2 Explain sewer cleaning operations.
Q-3 Give safety measures for sewermen.
Q-4 List functions of maintenance equipments and tools.
Q-5 Explain ‘smoke test’ for testing.
Q-1 write short note on:
(a) Composting
(b) Dumping
(c) Pulverization
(d) Pyrolysis
Q-2 what is solid waste management? Write objectives of it.
Q-3 list methods of disposal of solid waste and explain
sanitary land filling.
BHAGWAN MAHVIR POLYTECHNIC, SURAT.
CIVIL ENGINEERING DEPARTMENT SUBJECT:
CONCRETE TECHNOLOGY (3350602)
Chapter 01: Materials for Concrete
Enlist and explain functions of each bogue’s compound.
Explain alkali aggregate reaction.
Explain classification of aggregate based on shape.
Explain compressive strength test of cement.
Explain procedure to determine soundness test of cement.
Explain aggregate impact value test.
Explain flakiness index and elongation index.
Explain field test of cement.
Ch 2:
Define workability and explain factors affecting workability.
Explain segregation and bleeding.
Explain Slump test.
List methods of measurement of workability and explain any one of them.
Write short note on compaction of concrete.
Enlist methods of transporting concrete and explain any one method.
Explain method of curing concrete.
Ch 3:
Give classification of admixtures and explain accelerators.
Define admixtures and write purpose of using admixtures.
Write short note: Air-entraining admixture.
Write short note on Retarders.
Write adverse effects of using admixtures in excess amount.
Ch 4:
Enlist factors affecting strength of concrete and explain any one.
Define durability and write factors affecting durability.
Define creep and write factors affecting creep.
Explain permeability of concrete.
Explain quality control of concrete.
Explain split cylinder test for tensile strength of concrete.
Explain rebound hammer test for hard concrete.
Give the advantages of quality control.
Ch 5:
State factors influencing the choice of mix design.
State methods of concrete mix design.
Distinguish between nominal mix and design mix.
Define concrete mix design and give objective of it.
Ch 6:
Explain ready mix concrete.
Explain high density concrete.
Explain polymer concrete.
Write short note on fiber reinforced concrete.
Write short note on light weight concrete.
Explain plum concrete.
Ch 7:
Give points to prevent deterioration of concrete.
Write reasons for corrosion of reinforcement and its preventions.
Write short notes on guniting.
List different materials available to repair cracks.
State methods of application of repair materials for cracked concrete
and explain any one method.
Chapter 08: Modern Trend and Research Development in Concrete
Technology
Enlist different journals available in the field of concrete technology.
List name of any four authorities in the field of concrete technology.