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Measurement and Instrumentation

Measurement and Instrumentation
A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is

 0.01V
 0.05V
 0.01V
 0.25V

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Measurement and Instrumentation
Deflection method direct measurements are most widely used as these are

 most simple and least time consuming.
 least time consuming.
 most accurate.
 most simple.

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

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

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Measurement and Instrumentation
0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is

 4%
 1%
 3%
 2%

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Measurement and Instrumentation
Standard resistor ia made from

Silver
Nichrome
Manganin
Platinum

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Measurement and Instrumentation
A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads

 2 V.
 0 V.
 (2 + √3/2)V.
 5 V.

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MORE MCQ ON Measurement and Instrumentation

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