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Measurement and Instrumentation - Interview Questions and Answers

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76. Operating torques in analogue instruments are
A. deflecting and control
B. deflecting and damping
C. deflecting, control and damping
D. vibration and balancing
Explanation:
77. Instrument transformers are
A. potential transformers
B. current transformers
C. both (a) and (b)
D. power transformers
Explanation:
78. For handling greater currents induction wattmeters are used in conjunction with
A. potential transformers
B. current transformers
C. power transformers
D. either of the above
Explanation:
79. Damping of the Ballistic galvanometer is made small to
A. get first deflection large
B. make the system oscillatory
C. make the system critically damped
D. get minimum overshoot
Explanation:
80. The desirable static characteristics of a measuring system are
A. accuracy and reproducibility
B. accuracy, sensitivity and reproducibility
C. drift and dead zone
D. static error
Explanation:
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