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Measurement and Instrumentation

Measurement and Instrumentation
PMMC Instrument can be used for

Both AC and DC
AC work only
DC work only
None of the listed here

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Measurement and Instrumentation
A power factor meter has

Two current circuit and one pressure circuit
One current circuit and two pressure circuits
None of the listed here
One current circuit and one pressure circuit

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Measurement and Instrumentation
A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of

 Thermoelectric emfs.
 All of above.
 Resistance of connecting leads.
 Contact resistance.

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Measurement and Instrumentation
The smallest change in measured variable to which instrument will respond is

  resolution.
 precision.
 sensitivity.
 accuracy.

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Measurement and Instrumentation
The form factor in AC is the ratio of

Peak value to rms value
Rms value to average value
Peak value to average value
Rms value to peak value

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Measurement and Instrumentation
What is the expression for acceleration?

 Change in velocity / time
 Mass x acceleration
 Force x displacement
 Mass x velocity

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MORE MCQ ON Measurement and Instrumentation

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