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Measurement and Instrumentation

Measurement and Instrumentation
A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly

Controlling
None of the listed here
Deflecting
Damping

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Measurement and Instrumentation
The scale of hot wire ammeter is

  Non Linear.
 Absloute linear.
 Cramped.
 Linear.

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Measurement and Instrumentation
PMMC type instruments normally use

Air friction damping
None of these
Fluid friction damping
Eddy current damping

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Measurement and Instrumentation
A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is

0.1mA
0.023mA
0.007mA
0.05mA

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Measurement and Instrumentation
To measure ac as well as dc power, we use

Sometimes induction and sometimes dynamometer wattmeter
Dynamometer wattmeter
Induction wattmeter
None of the listed here

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Measurement and Instrumentation
When checked with an ohm meter an open resistor reads

  high but within tolerance.
  low but not zero.
  zero.
  infinite.

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MORE MCQ ON Measurement and Instrumentation

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