VALLIAMMAI ENGINEERING COLLEGE Semester/NE7001-Sensing... · VALLIAMMAI ENGINEERING COLLEGE SRM...

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VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur 603 203 DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING QUESTION BANK I SEMESTER NE7001 - SENSING TECHNIQUES AND SENSORS Regulation 2013 Academic Year 2016 17 Prepared by Ms.Shanthi.S, Assistant Professor/CSE

Transcript of VALLIAMMAI ENGINEERING COLLEGE Semester/NE7001-Sensing... · VALLIAMMAI ENGINEERING COLLEGE SRM...

VALLIAMMAI ENGINEERING COLLEGE

SRM Nagar, Kattankulathur – 603 203

DEPARTMENT OF

COMPUTER SCIENCE AND ENGINEERING

QUESTION BANK

I SEMESTER

NE7001 - SENSING TECHNIQUES AND SENSORS

Regulation – 2013

Academic Year 2016 – 17

Prepared by

Ms.Shanthi.S, Assistant Professor/CSE

VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur – 603 203.

DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING_

QUESTION BANK

SUBJECT : Ne7001 - SENSING TECHNIQUES AND SENSORS

SEM / YEAR: I sem/I year-M.E

UNIT I - PRINCIPLES OF SENSING

Data Acquisition – sensor characteristics – electric charges, fields, potentials – capacitance –

magnetism – inductance – resistance – piezoelectric – pyroelectric – Hall effect –

thermoelectric effects – sound waves – heat transfer – light – dynamic models of sensors

PART - A

Q.No Questions Competence BT

level 1. Define Sensor and how it is different from transducer

and actuator

actuator.

Remembering BTL1

2. Give some dynamic models of sensors elements.(JUNE

2015)

Understandin

g

BTL2

3. Show and list out the fundamental properties of Heat.

Applying BTL3

4. Explain State Tribo-electric effect.

Analysing BTL4

5. Explain how direct sensor differs with Complex sensor.

Evaluating BTL5

6. Generalize Saturation and Dead band?

Creating BTL6

7. Define Transfer function characteristic in sensor.

Remembering BTL1

8. Describe various classification of sensors.. (JAN 2015)

Understandin

g

BTL2

9. Differentiate Full-scale input is different from Full-scale

output.

Differentiate Full-scale input is different from Full-scale

output.

Analysing BTL4

10. Combine self-induction and induced voltage.

Creating BTL6

11. Write down the Characteristics of sensors(Dec-2016)

Remembering BTL1

12. Describe different types of error characteristics. Understandin

g

BTL2

13. Explain how electricity differs with magnetism.(JAN

2016)

Analysing BTL4

14. What is dielectric constant

Remembering BTL1

15. Give some properties of piezoelectric films. Understandin

g

BTL2

16. Compare and define the types of resistivity.

Evaluating BTL5

17. List out the different types of Magnets. (JAN 2016,Dec-

2016)

Remembering BTL1

18. Examine different characteristics of a Permanent Magnet.

Applying BTL3

19. List out the factors which depends induced voltage. Remembering BTL1

20. Illustrate and list out basic SI units of various Quantities. Applying BTL3

PART - B

Q.No Questions Competence BT

level 1. Describe about different effects in generation of electric

charges. (13)(JAN 2016)

Remembering BTL1

2. Describe in detail about Physical principle of sensing.

(13)

Understandin

g

BTL2

3. (i)Examine Dynamic model of sensor elements. (7)

(ii)Examine Inductance and resistance. (6)

Applying BTL3

4. (i)Explain Petlier effect and Hall Effect. (7)

(ii)Explain about sound waves and sensors

characteristics. (6)

Evaluating BTL5

5. (i)Describe in detail about Magnetism. (7)

(ii)Describe in detail about Inductance. (6)

Remembering BTL1

6. (i)Describe how conductance relates with direct sensor.

(7)

(ii)Give in depth about heat transfer. (6)

Understandin

g

BTL2

7. (i)Explain how Light and Heat relates with Sensors. (7)

(JAN 2016)

(ii)Explain how Sound and Heat relates with Sensors. (6)

(JAN 2016)

Analysing BTL4

8. (i)Describe in detail about Seeback effect. (7)

(ii)List features in Hall effect. (6)

Remembering BTL1

9. Examine how electric charge, field and potential is

related with sensors. (13) (Dec-2016)

Applying BTL3

10. (i)Describe Data Acquisition System in Detail. (7)

(JUNE 2014)

(ii)Describe Dynamic models of sensors. (6)

Remembering BTL1

11. (i)Explain the concept of Piezoelectric effect. (7) (JAN

2016) (Dec-2016)

(ii)Explain the concept of pyroelectric effect. (6) (JAN

2016) (Dec-2016)

Analysing BTL4

12. Create a device with Sound, Light and Heat Sensors. (13)

Creating BTL6

13. (i)Describe how magnetism relates with physical

principles of sensing.(7)

(ii)Describe how resistance relates with physical

principles of sensing. (6)

Understandin

g

BTL2

14. (i)Differentiate solenoid from Toroid. (7)

(ii)Explain about piezoelectric. (6)

Analysing BTL4

UNIT-I(PART-c) (15 marks)

Q.No QUESTION COMPETENCE LEVEL

1. Assess various applications where Data Acquisition Evaluating BTL5

UNIT II - OPTICAL COMPONENTS AND INTERFACE ELECTRONICS

Radiometry – Photometry – mirrors – lenses – fibre optics – concentrators – Interface circuits

–amplifiers – light-to-voltage – excitation circuits – ADC – Digitization – Capacitance-to-

voltage –bridge circuits – data transmission – noise in sensors and circuits – calibration – low

power sensors

PART - A

Q.No Questions BT Level Comp

etence 1. Define Doppler Effect.

Remembering

BTL1

2. Describe how the bridge circuits is in balanced or

unbalanced State and write the significance of bridge

circuit(Dec-2016)

Understanding BTL2

3. Calculate lifetime for a primary cell if the battery is

rated as capacity of 100mAh, the circuit operating

current consumption about 10mA and the circuit works

only 12min every hour.

Applying BTL3

4. Analyse voltage follower.

Analysing BTL4

5. Assess how to determine Bridge insensitivity with

respect to

impedance.

Evaluating

BTL5

6. Create a glass meniscus lens (n = 1.5) has a concave

surface of radius –40 cm and a convex surface whose

radius is +20 cm. What is the focal length of the lens?

Creating BTL6

7. Define reflection and refraction.

Remembering BTL1

8. Give the frequency response of an accelerometer.

Understanding BTL2

9. Differentiate between Primary Cell and Secondary Cell.

Analysing BTL4

System works.

2 Consider a case study on Sensor Characteristics.

(JUNE 2014)

Evaluating

BTL5

3 Analyse how various physical principles are

directly related to sensors. (JAN 2016) Analysing

BTL4

4 List and Explain of applications of various effects

involved in sensing.

Remembering

BTL1

10. Generalize Single and dual fiber optic sensors. (JAN

2015,2016,Dec-2016)

Creating BTL6

11. Define Radiometric and Photometric terminologies.

Remembering BTL1

12. Give several noises in sensors and circuits. (JAN 2016)

Understanding BTL2

13. Explain false positive and false negative detection.

Analysing BTL4

14. Define Fractional binary and Integer binary.

Remembering BTL1

15. Describe seebeck noise.

Understanding BTL2

16. Assess how shot noise differs from Schottky noise.

Evaluating

BTL5

17. List some rules while applying electrostatic shields.

Remembering BTL1

18. Illustrate the circuit diagram for ADC. (JAN 2015)

(JUNE 2014)

Applying BTL3

19. List some practical guidelines to follow magnetic

shielding.

Remembering BTL1

20. Calculate the radius of the curved surface in a plano-

convex lens in order that the focal length be 25 cm.

Applying BTL3

PART - B

1. (i)Describe Dual Slope Conversion. (7)

(ii)Describe Successive Approximation Converter. (6)

Remembering BTL1

2. (i)Describe in detail about the charge to voltage

convertors. (7)

(ii)Describe in detail about current to voltage convertors.

(6)

Understanding BTL2

3. (i)Examine low power sensors. (7)

(ii)Examine ADC and Digitization. (6)

Applying BTL3

4. (i)Explain in detail about the difference of Lenses with

Fresnel lens. (7)(JAN 2016)

(ii)Explain in detail about Mirrors. (6)

Evaluating

BTL5

5. (i)Describe about operation of Op-amp in open loop

conditions in detail.( (7) (JUNE 2015)

(ii)Describe about operation of Op-amp in closed loop

conditions in detail. (6) (JUNE 2015)

Remembering BTL1

6. Differentiate interface circuits and Amplifiers. (13)

Understanding BTL2

7. (i)Explain Modulating Oscillator. (7)

(ii)Explain Switched capacitance converter. (6)

Analysing BTL4

8. Examine Direct Digitization and Processing in necessary

in Sensors. (13)

Remembering BTL1

9. How displacement sensor relates with optical Fiber &

Concentrators. (13)

Applying BTL3

10. (i).Describe Noise in sensors and Circuits. (7) (Dec-

2016)

(ii)Examine about pressure Gradients. (6)

Remembering

BTL1

11. (i)Explain briefly about the V/F converters and its

types. (7)

(ii).Explain briefly about lenses. (6)

Analysing BTL4

12. Develop the term Fibre optics.(13)

Creating BTL6

13. (i)Briefly describe about the principle of instrumentation

amplifier. (7)

(ii)Briefly describe about calibrations. (6)

Understanding BTL2

14. (i)Differentiate radiometry from Photometry and how

windows is different from mirrors. (7) (Dec-2016)

(ii)Point out the characteristics of radiometry and

photometry. (6)

Analysing BTL4

PART - C

1. In what way sensors are affected by various noises?

Remembering

BTL1

2. Analyse the applications of A/D convertors in detail.

Analysing BTL4

3. Illustrate the applications of OP- AMP in detail.

Applying BTL3

4. How optical components are directly related to sensor.

Justify.

Evaluating

BTL5

UNIT III - MOTION RELATED SENSORS

Occupancy and motion detectors: ultrasonic – microwave – capacitive detectors – triboelectric –

optoelectronic motion sensors – optical presence sensor – Pressure Gradient sensors Velocity

andacceleration sensors: Accelerometer characteristics – capacitative accelerometers –

piezoelectric accelerometers – piezoresistive accelerometers – thermal accelerometers –

Gyroscopes –piezoelectric cables – gravitational sensors

PART - A

Q.No Questions BT Level Comp

etence 1. 1 Define Doppler frequency

Remembering

BTL1

2. 2 Give the frequency response of an accelerometer.

Understanding

BTL2

3. Classify the several characteristics of an accelerometer.

Applying

BTL3

4. Explain the ways to build a vibrating gyro.

Analyzing

BTL4

5. Explain PIR Sensor.

Evaluating

BTL5

6. Design and Develop Gravitational Sensor diagram.

(JUNE 2015)

Creating

BTL6

7. Define Image Distortion.

Remembering

BTL1

8. Differentiate far-infrared and near-infrared motion

detectors.

Understanding

BTL2

9. How to analyse the efficiency of PIR sensor.

Analyzing

BTL4

10. Generalize sagnac effect.

Creating

BTL6

11. Define pyro-electricity.

Remembering

BTL1

12. Summarize the different types of Motion sensors. (JAN

2016) (JUNE-2015)

Understanding

BTL2

13. Explain Tribo electric effect.

Evaluating

BTL5

14. Define the principle of conservation of angular

momentum.

Remembering

BTL1

15 Discuss the methods for path detection in optical

gyroscopes.

Understanding

BTL2

16 Explain how to find the focal length of a facet lens.

Evaluating

BTL5

17 List out typical properties of a piezoelectric cable. (JAN

2016,Dec-2016)

Remembering

BTL1

18 Classify the different types of motion sensors(Dec-2016) Applying

BTL3

19 Define false positive and false negative detection.

Remembering

BTL1

20 Show how sensor is structured.

Applying

BTL3

UNIT-III-Part-B

1 (i)Describe about operation of Microwave occupancy

detectors in detail.(7) (JAN 2016) (JUNE 2015)

(ii)Describe in detail about optoelectronic motion sensors.

(6)

Remembering

BTL1

2 Briefly describe about the Triboelectric Detectors. (13)

(2014)

Understanding

BTL2

3 (i)Illustrate microwave and capacitive detectors. (7)

(ii) Classify ultrasonic and microwave in detail. (6)

Applying

BTL3

4 (i)Explain thermal accelerometers. (7)

(ii) Explain Piezoresistive accelerometers. (6)

Evaluating

BTL5

5 (i)Describe in detail about the Operating principle of an

electromagnetic velocity sensor. (7)

(ii)Define Piezoelectric cables. (6)

Remembering

BTL1

6 .(i)Briefly describe about –thermal accelerometers. (7)

(ii.)Briefly describe about the Gravitational Sensors in

Detail. (6) (JAN 2016)

Understanding

BTL2

7 Explain in detail about the working principle of capacitive

occupancy detectors. (13) (Dec-2016)

Analyzing

BTL4

8 (i)Describe the working principle about Optoelectronic

Motion Detectors. (JAN 2015) (Dec-2016)

(7)

(ii).Define what is sensor velocity and acceleration. (6)

Remembering

BTL1

9 Illustrate and describe in detail about Pressure Gradient

sensors. (13) Applying

BTL3

10 (i)Describe about PIR Motion Detectors. (7)

(ii)Define Triboelectric motion sensors. (6) Remembering

BTL1

11 (i)State and Explain Rotor Gyroscopes in detail. (7)

(ii)State and Explain Optical Gyroscopes in detail. (6) Analyzing

BTL4

12 (i)Develop notes on velocity in detail. (7)

(ii)Develop notes on acceleration in detail. (6) Creating

BTL6

13 (i)Describe in detail about capacitive, piezoelectric and

thermalAccelerometer. (7)

(ii)Define capacitive Detectors. (6)

Understanding

BTL2

14 Explain Piezoelectric cables and Gravitational Sensors.

(13)

Analyzing

BTL4

UNIT –III (PART-C) (15- Marks)

Q.NO Question Competence Level

1. Discuss the various applications where occupancy

detectors are employed.

Understanding

BTL2

2. Examine a case study on applications on Microwave

motion detectors.

Remembering

BTL1

3. Analyse how sensors are structured in opto electronic

motion detectors. (Dec-2016)

Analyzing

BTL4

4. Explain the applications of Gravitational sensors.

Evaluating

BTL5

UNIT IV - LIGHT AND RADIATION DETECTORS

Light Detectors: Photo diodes – photo transistor – photo resistor – cooled detectors – CCD and

CMOS image sensors – thermal detectors – optical design – gas flame detectors

Radiation Detectors: scintillating detectors – ionization detectors – cloud and bubble chambers

PART - A

Q.No Questions Competence BT Level

1 Define the types and characteristics of Light Detectors.

(JUNE 2015) (JAN 2015) (Dec-2016)

Remembering

BTL1

2 Give the specifications of Thermopile.

Understanding

BTL2

3 Examine how photoelectric effect is described in a

semiconductor.

Applying

BTL3

4 Explain the properties of ionization detector.

Analysing

BTL4

5 Assess the components of noncontact temperature sensor. Evaluating

BTL5

6 Prepare the applications of cooled detectors.

Creating

BTL6

7 Define NEP.

Remembering

BTL1

8 Give operation of Bubble Chamber.

Understanding

BTL2

9 Analyse the properties of radiation detector. (JAN 2016)

(Dec-2016)

Analysing

BTL4

10 Generalize the factors that are critical in designing the

optical components for an optical sensor.

Creating

BTL6

11 List the characteristics of photo detectors. (JAN 2016)

Remembering

BTL1

12 Give operation of Cloud Chamber. Understanding

BTL2

13 Point out the steps for fabrication of Cds cells.

Analyzing

BTL4

14 Define the steps in Bolometer.

Remembering

BTL1

15 Discuss the working principle of Gas Flame detector.

Understanding

BTL2

16 Explain the operating modes of Photodiode.

Evaluating

BTL5

17 Define Golay cells.

Remembering

BTL1

18 Illustrate CCD and CMOS Image sensors. (JUNE 2014)

Applying

BTL3

19 Define Radioactivity.

Remembering

BTL1

20 Classify the properties of Scintillation material.

Applying

BTL3

Unit-IV PART-B

1 (i)Describe the working principle of photodiode. (7) (JUNE

2015)

(ii)Define CMOS sensors. (6)

Remembering

BTL1

2 (i)Describe Ionization detector in detail. (7)

(ii)Discuss about radiation and light detectors. (6)

Understanding

BTL2

3 Illustrate and explain the thermal detectors and gas flame

detectors. (13)

Applying

BTL3

4 Explain briefly about the Scintillating Detectors. (13) (JUNE

2014)

Evaluating

BTL5

5 (i)Describe about operation of Gas Flame detectors in detail.

(7)

(ii)Describe about light detectors. (6)

Remembering

BTL1

6 (i)Describe Cloud and bubble chamber. (7)

(ii)Describe briefly about optical design and gas flame

detectors (6) (Dec-2016)

Understanding

BTL2

7 Explain the operating principle of Thermal Detectors and its

Types. (13)

Analyzing

BTL4

8 (i)Describe about operation of Bubble Chambers. (7) (JAN

2016)

(ii)Define about photo transistor and photo resistor. (6)

Remembering

BTL1

9 Illustrate and explain the working principle of

phototransistor. (13)

Applying

BTL3

10 (i)Describe in detail about thermal detector. (7)

(ii)Define about Cooled detectors. (6)

Remembering

BTL1

11 (i)Explain the working principle of CCD sensors. (7)

(ii)Explain about scintillating detectors. (6)

Analyzing

BTL4

12 Develop the working principle of photo resistor. (13) (Dec-

2016)

Creating

BTL6

13 (i)Differentiate CMOS sensors from CCD. (7) (JAN 2016)

(JUNE 2015)

(ii)Differentiate between Photo diode and photo resistor. (6)

Understanding

BTL2

14 (i)Explain in detail about the working principle of all

Ionization detectors. (7) (JUNE 2014)

(ii)Explain about light detectors and Ionization detectors. (6)

Analyzing

BTL4

UNIT-IV-PART-C

Q.No Questions Competence BT

Level

1 Analyse the analogy for Image Sensors.

Analyzing

BTL4

2 Assess a case study on Photo detectors.

Evaluating

BTL5

3 Discuss the applications of Image sensors.

Understanding

BTL2

4 Describe various radiation detectors applications in detail.

(JAN 2015)

Remembering

BTL1

UNIT V - V TEMPERATURE AND CHEMICAL SENSORS

Temperature Sensors: coupling with objects – temperature reference points – thermo resistive

sensors – thermo electric contact sensors – semiconductor sensors – acoustic sensors –

piezoelectric sensors Chemical sensors: characteristics – classes of chemical sensors –

biochemical sensors – multisensory arrays – electronic noses and tongues

PART – A

Q.No Questions BT Level Competence

1 Define Thermistors. (JUNE 2014)

Remember

ing

BTL1

2 Give some advantages of thermos resistive sensors.

Understan

ding

BTL2

3 Illustrate and draw the Cross-section diagram e-tongues.

Applying

BTL3

4 Point out some temperature reference points.

Analyzing

BTL4

5 Explain how chemical sensors are classified. (JAN

2016)(JAN 2015) (Dec-2016)

Evaluating

BTL5

6 Design and draw the diagram of the multisensory array.

Creating

BTL6

7 List three basic characteristics for thermistor applications. Remember

ing

BTL1

8 Discuss Fraden model. Understan

ding

BTL2

9 Differentiate equilibrium and predictive methods in

Temperature sensor. Analyzing

BTL4

10 Develop Acoustic sensor with an example. (JUNE 2015)

Creating

BTL6

11 List some applications of PTC thermistors. Remember

ing

BTL1

12 Discuss Steinhart–Hart Model.

Understan

ding

BTL2

13

Analyse the components of contact temperature sensors.

(JAN 2016) (Dec-2016)

Analyzing

BTL4

14 List some applications of chemical sensors. Remember

ing

BTL1

15 Discuss the thermoelectric laws. Understan

ding

BTL2

16 Explain Bio Chemical Sensor.

Evaluating

BTL5

17 Define Piezoelectric Effect.

Remember

ing

BTL1

18 Illustrate and draw the Cross-section diagram of the

parallel-plate capacitor.

Applying

BTL3

19 List several characteristics of chemical sensors. (JUNE

2014)

Remember

ing

BTL1

20 Illustrate and draw the Cross-section diagram e-noses.

Applying

BTL3

UNIT-V(PART-B)

1 (i)Describe about the direct chemical sensors and

its Types. (7) (JAN2016)

(ii)Describe about temperature reference point. (6)

Remembering

BTL1

2 (i)Briefly describe about the Acoustic Sensors in

detail. (7)(JAN 2016)

(ii)Summarize about chemical sensors. (6)

Understanding

BTL2

3 Illustrate and explain multi sensor arrays. (13)

Applying

BTL3

4 (i)Explain about the Semiconductor Sensors in

Detail. (7) (JAN 2016) (Dec-2016)

(ii.)Explain the about temperature reference points.

(6)

Evaluating

BTL5

5 (i.)Describe in detail about various Temperature Remembering BTL1

sensors. (7)

(ii).Describe about thermo resistive sensors. (6)

6 (i).Discuss in detail about e-noses. (7) (JAN 2015)

(ii).Describe about semiconductor sensors and

acoustic sensors. (6)

Understanding

BTL2

7 Differentiate between Thermo resistive Sensors

and Thermoelectric Contact Sensors. (13) (JUNE

2015) (JAN 2015) (JUNE 2014)

Analyzing

BTL4

8 (i)Describe about the Multisensor Arrays in Detail.

(7) (JAN 2015)

(ii).Define about multi sensor arrays. (6)

Remembering

BTL1

9 Illustrate and explain characteristics of Chemical

Sensors. (13)

Applying

BTL3

10 (i)Describe about e-tongues in detail. (7) (JAN

2015)

(ii)What are the classes of chemical sensors? (6)

Remembering

BTL1

11 (i)Explain how Biochemical Sensors works in

Detail. (7) (Dec-2016)

(ii).Explain how thermo electric sensors work. (6)

Analyzing

BTL4

12 Develop Thermo resistive sensor and thermo

electric contact sensor.

(16)

Creating

BTL6

13 (i)Briefly describe the complex chemical sensors

and its Types. (7) (JAN 2016) (JUNE 2015)

(ii.)Summarize about electronic noses and tongues.

(6)

Understanding

BTL2

14 (i.)Explain Classes of chemical sensor. (7)

(ii.)Explain in depth about temperature sensors. (6) Analyzing

BTL4

UNIT –V (PART-C) (15- Marks)

1 Analyse the semiconductors Sensors.

Analyzing

BTL4

2 Assess a case study about the electronic nose help in

Chemical sensors. (Dec-2016)

Evaluating

BTL5

3 Explain the applications of Temperature sensors.

(Dec-2016)

Evaluating

BTL5

4 Describe various applications in detail about

acoustic sensor.

Remembering

BTL1