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Measurement and Instrumentation

Measurement and Instrumentation
The watt hour meter is ______ instrument.

An integrating
A transfer
An indicating
A recording

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Measurement and Instrumentation
Wien bridge is useful for measuring

Very high frequency
Medium frequency
Low frequency
High frequency

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Measurement and Instrumentation
A variable w is related to three other variables x, y and z as w = xy/z. The variables are measured with meters of accuracy ± 0.5% reading, ± 1% of full scale value and ± 1.5% reading. The actual readings of the three meters are 80, 20 and 50 with 100 being the full scale value for all three. The maximum uncertainty in the measurement of w will be

 ± 6%
 ± 5%
 ± 8%
 ± 7%

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Measurement and Instrumentation
Which one the following statements is correct? The application of the instrument in wrong manner in the procedure of measurement results in a/an

 systematic error
 instrument error
 gross error
 random error

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Measurement and Instrumentation
The household energymeter is

An integrating instrument
A recording instrument
None of the listed here
An indicating instrument

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Measurement and Instrumentation
When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is

None of these
All right
Short-circuited
Faulty

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