Sathyabama University Question Papers Measurements And Instrumentation BE Forth Sem

Sathyabama University Question Papers

Measurements And Instrumentation BE Forth Sem

Title of the paper: Measurements & Instrumentation
Semester: IV Max. Marks: 80
Sub.Code: 6C0096 Time: 3 Hours
Date: 28-04-2008 Session: FN
PART – A (10 x 2 = 20)
Answer All the Questions
1. Define absolute error.
2. Define calibration and give the step for wattmeter calibration.
3. Give the advantages and disadvantages of Kelvin’s double bridge
method.
4. Define LVDT.
5. Define torque/weight ratio in measurements.
6. Give the advantages of moving coil meter.
7. Write the advantages of digital voltmeter over analog voltmeter.
8. Define storage oscilloscope.
9. Define harmonic distortion analyzer.
10. Define LED and LCD.

PART – B (5 x 12 = 60)
Answer All the Questions
11. With neat sketch explain the construction and operation of AF
signal generator.
(or)
12. (a) What are the various errors occurs in measurements and
explain systematic error.
(b) Explain the static and dynamic characteristics of instruments.
13. Explain the construction and operation of LVDT. Give its
advantages and disadvantages.
(or)
14. Explain the Kelvin’s double bridge method of resistance
measurements and obtain the balance equation.
15. Explain the construction and operation of PMMC instruments.
(or)
16. Define DC potentiometer. Explain Crompton’s type
potentiometer with sketch.
17. Explain the frequency and phase difference measurements using
digital storage oscilloscope.
(or)
18. Explain the construction and operation of digital multimeter.
19. (a) Define spectrum analyzer.
(b) Explain the construction and operation of spectrum analyzer
(c) Give the application of spectrum analyzer
(or)
20. (a) Explain the operation of magnetic tape recorders
(b) Explain dual trace oscilloscope.

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