7/30/2019 Instrumentation 2012

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Code No: 07A60201 R07 Set No. 2

III B.Tech II Semester Examinations,April/May 2012INSTRUMENTATION

Electrical And Electronics EngineeringTime: 3 hours Max Marks: 80

Answer any FIVE QuestionsAll Questions carry equal marks

1. (a) Explain the common forms of periodic signals with their waveforms.

(b) Write the applications of PCM. [8+8]

2. (a) Write short notes on Residual errors in measurement.(b) A voltmeter reads 109.5 V. The error taken from an error curve is -0.37 V.

Determine the true voltage. [8+8]

3. (a) Explain the measurement of angular velocity using D.C tachometer generator.

(b) A strain gauge bridge has one arm as strain gauge with a gauge factor of 2.2.The resistance value of strain gauge and other arms is 200 . Find the bridgeoutput voltage (with output open circuited) for a supply voltage of 3 V whenthe strain gauge is subjected to 600 strain. [8+8]

4. (a) What isthe operating voltage of a CRT arranged so that the deflection platesare nearly atground potential?

(b) List the advantages of conventional storage oscilloscope and digital storageoscilloscope. [10+6]

5. (a) Write the general specifications of digital voltmeter.

(b) With timing diagram showing voltage to time conversion, discuss Ramp typeDVM.

[8+8]

6. What is the principle of ultrasonic flow meter? Explain the operation of ultrasonic

flow meter with neat sketch. [16]

7. (a) With neat circuit diagram explain a peak reading voltmeter.

(b) List out characteristics of frequency selective wave analyzer. [8+8]

8. (a) What are the specifications of potentiometers? What are its merits and de-merits?

(b) What is gauge factor and poissions ratio. [8+8]

1

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Code No: 07A60201 R07 Set No. 4

III B.Tech II Semester Examinations,April/May 2012INSTRUMENTATION

Electrical And Electronics EngineeringTime: 3 hours Max Marks: 80

Answer any FIVE QuestionsAll Questions carry equal marks

1. (a) With neat circuit diagram explain a peak reading voltmeter.

(b) List out characteristics of frequency selective wave analyzer. [8+8]

2. (a) Write the general specifications of digital voltmeter.(b) With timing diagram showing voltage to time conversion, discuss Ramp type

DVM.[8+8]

3. (a) Explain the common forms of periodic signals with their waveforms.

(b) Write the applications of PCM. [8+8]

4. (a) Explain the measurement of angular velocity using D.C tachometer generator.

(b) A strain gauge bridge has one arm as strain gauge with a gauge factor of 2.2.

The resistance value of strain gauge and other arms is 200 . Find the bridgeoutput voltage (with output open circuited) for a supply voltage of 3 V whenthe strain gauge is subjected to 600 strain. [8+8]

5. (a) Write short notes on Residual errors in measurement.

(b) A voltmeter reads 109.5 V. The error taken from an error curve is -0.37 V.Determine the true voltage. [8+8]

6. (a) What isthe operating voltage of a CRT arranged so that the deflection platesare nearly atground potential?

(b) List the advantages of conventional storage oscilloscope and digital storageoscilloscope. [10+6]

7. (a) What are the specifications of potentiometers? What are its merits and de-merits?

(b) What is gauge factor and poissions ratio. [8+8]

8. What is the principle of ultrasonic flow meter? Explain the operation of ultrasonicflow meter with neat sketch. [16]

2

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Code No: 07A60201 R07 Set No. 1

III B.Tech II Semester Examinations,April/May 2012INSTRUMENTATION

Electrical And Electronics EngineeringTime: 3 hours Max Marks: 80

Answer any FIVE QuestionsAll Questions carry equal marks

1. (a) With neat circuit diagram explain a peak reading voltmeter.

(b) List out characteristics of frequency selective wave analyzer. [8+8]

2. (a) What are the specifications of potentiometers? What are its merits and de-merits?

(b) What is gauge factor and poissions ratio. [8+8]

3. (a) What isthe operating voltage of a CRT arranged so that the deflection platesare nearly atground potential?

(b) List the advantages of conventional storage oscilloscope and digital storageoscilloscope. [10+6]

4. What is the principle of ultrasonic flow meter? Explain the operation of ultrasonicflow meter with neat sketch. [16]

5. (a) Write short notes on Residual errors in measurement.

(b) A voltmeter reads 109.5 V. The error taken from an error curve is -0.37 V.Determine the true voltage. [8+8]

6. (a) Explain the common forms of periodic signals with their waveforms.

(b) Write the applications of PCM. [8+8]

7. (a) Explain the measurement of angular velocity using D.C tachometer generator.

(b) A strain gauge bridge has one arm as strain gauge with a gauge factor of 2.2.

The resistance value of strain gauge and other arms is 200 . Find the bridgeoutput voltage (with output open circuited) for a supply voltage of 3 V whenthe strain gauge is subjected to 600 strain. [8+8]

8. (a) Write the general specifications of digital voltmeter.

(b) With timing diagram showing voltage to time conversion, discuss Ramp typeDVM.

[8+8]

3

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Code No: 07A60201 R07 Set No. 3

III B.Tech II Semester Examinations,April/May 2012INSTRUMENTATION

Electrical And Electronics EngineeringTime: 3 hours Max Marks: 80

Answer any FIVE QuestionsAll Questions carry equal marks

1. (a) Write the general specifications of digital voltmeter.

(b) With timing diagram showing voltage to time conversion, discuss Ramp typeDVM.

[8+8]

2. What is the principle of ultrasonic flow meter? Explain the operation of ultrasonicflow meter with neat sketch. [16]

3. (a) Explain the measurement of angular velocity using D.C tachometer generator.

(b) A strain gauge bridge has one arm as strain gauge with a gauge factor of 2.2.The resistance value of strain gauge and other arms is 200 . Find the bridgeoutput voltage (with output open circuited) for a supply voltage of 3 V whenthe strain gauge is subjected to 600 strain. [8+8]

4. (a) With neat circuit diagram explain a peak reading voltmeter.

(b) List out characteristics of frequency selective wave analyzer. [8+8]

5. (a) Write short notes on Residual errors in measurement.

(b) A voltmeter reads 109.5 V. The error taken from an error curve is -0.37 V.Determine the true voltage. [8+8]

6. (a) Explain the common forms of periodic signals with their waveforms.

(b) Write the applications of PCM. [8+8]

7. (a) What isthe operating voltage of a CRT arranged so that the deflection platesare nearly atground potential?

(b) List the advantages of conventional storage oscilloscope and digital storageoscilloscope. [10+6]

8. (a) What are the specifications of potentiometers? What are its merits and de-merits?

(b) What is gauge factor and poissions ratio. [8+8]

4

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