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Measurement and Instrumentation

Measurement and Instrumentation
What is the standard unit for length ?

 Centimeter
 Inch
 Kilometer
 Meter

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Measurement and Instrumentation
The difference between the indicated value and the true value of a quantity is

 Relative error
 Absolute error
 Dynamic error
 Gross error

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Measurement and Instrumentation
Comparison methods are used

 because they take least time in measurement.
 when a high accuracy of measurement is required.
 because they are expensive.
 because they are most simple.

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Measurement and Instrumentation
Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is

 0.917 lead.
 0.6 lead.
 0.917 lag.
 0.6 lag.

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Measurement and Instrumentation
If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

 Y is more sensitive.
 Both X and Y are equally sensitive.
 It would not be possible to assess the sensitivity on the basis of the given data.
 X is more sensitive.

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Measurement and Instrumentation
The household energymeter is

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

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MORE MCQ ON Measurement and Instrumentation

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