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Measurement and Instrumentation

Measurement and Instrumentation
An analog ammeter is

 an absolute instrument.
  an indicating instrument.
 a recording instrument.
 a controlling instrument.

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Measurement and Instrumentation
The difference between the measured value and the true value is called

 gross error
 probable error
 absolute error
 relative error

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Measurement and Instrumentation
The errors mainly caused by human mistakes are

 systematic error.
 instrumental error.
  gross error.
 observational error.

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Measurement and Instrumentation
Which of the following is a variable displacement transducer?

None of these
 synchros
 potentiometer
 tachometer

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Measurement and Instrumentation
A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as

 960 rev/KWh.
 3750 rev/KWh.
 3600 rev/KWh.
 1000 rev/KWh.

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Measurement and Instrumentation
The transfer instrument which is used for standardization of a polar type AC potentiometer is

 a thermal instrument.
 a moving coil instrument.
 a dynamometer instrument.
 an electrostatic instrument.

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MORE MCQ ON Measurement and Instrumentation

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