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Measurement and Instrumentation

Measurement and Instrumentation
What is the standard unit for length ?

 Kilometer
 Meter
 Centimeter
 Inch

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Measurement and Instrumentation
Wien bridge is useful for measuring

Low frequency
High frequency
Medium frequency
Very high frequency

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

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

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Measurement and Instrumentation
Wagner earthing device is used to eliminate errors due to

Electromagnetic coupling
None of these
Both A and B
Electrostatic coupling

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

 Dynamic error
 Absolute error
 Relative error
 Gross error

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Measurement and Instrumentation
Relative error is same as

 absolute error.
 ratio of absolute error and true value.
None of these
 true error.

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MORE MCQ ON Measurement and Instrumentation

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