Measurement and Instrumentation Multiple Choice Questions and Answers

11. A sensitive galvanometer produces large deflection for a

1. small value of current
2. large value of current
3. large value of power
4. large value of voitage

12. A universal RLC bridge uses

1. Maxwell bridge configuration for measurement of inductance and De Santas bridge for measurement of capacitance
2. Maxwell Wein bridge for measurement of inductance and modified De Santys bridge for measurement of capacitance
3. Maxwell Wein bridge for measurement of inductance and Wein bridge for measurement of capacitance
4. Any of the above.

13. A voltage of about 200 V can be measured

1. directly by a D.C. potentiometer
2. a D.C. potentiometer in conjunction with a volt ratio box
3. a D.C. potentiometer in conjunction with a known resistance
4. none of the above

14. A Weston frequency meter is

1. moving coil instrument
2. moving iron instrument
3. dynamometer instrument
4. none of the above

15. A Weston synchronoscope is a

1. moving coil instrument
2. moving iron instrument
3. dynamometer instrument
4. none of the above

16. A..................device prevents the oscillation of the moving system and enables the latter to reach its final position quickly

1. deflecting
2. controlling
3. damping
4. any of the above

17. According to application, instruments are classified as

1. switch board
2. portable
3. both a and b
4. moving coil

18. Alternating current is measured by

1. induction ammeter
2. permanent magnet type ammeter
3. electrostatic ammeter
4. moving iron repulsion type voltmeter

19. An ammeter is a

1. secondary instrument
2. absolute instrument
3. recording instrument
4. integrating instrument

20. An induction wattmeter can be used for

1. both D.C. and A.C.
2. D.C. only
3. A.C. only
4. any of the above