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Measurement and Instrumentation - Interview Questions and Answers

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51. In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of
A. 0.1 Hz
B. 0.25 Hz
C. 0.5 Hz
D. 1.5 Hz
Explanation:
52. A Weston synchronoscope is a
A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none of the above
Explanation:
53. In Weston synchronoscope the moving coil is connected across
A. bus-bars
B. incoming alternator
C. fixed coils
D. any of the above
Explanation:
54. A Weston frequency meter is
A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none of the above
Explanation:
55. For measurement of mutual inductance we can use
A. Anderson bridge
B. Maxwell's bridge
C. Heaviside bridge
D. Any of the above
Explanation: