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Measurement and Instrumentation

Measurement and Instrumentation
The Metric System is also called as:

None of these
 SI
 MKS system
 CGS

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Measurement and Instrumentation
A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be

 625 Hz.
 250 Hz.
 500 Hz.
 400 Hz.

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Measurement and Instrumentation
When the pointer of an indicating instrument comes to rest in the final deflected position, ______

Only deflecting torque acts
Both deflecting and controlling torques act
Only controlling torque acts
None of the listed here

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

 Gross error
 Relative error
 Dynamic error
 Absolute error

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Measurement and Instrumentation
Most accurate measurement of unknown resistance will be by

Wheatstone bridge
Voltmeter and ammeter
Ohmmeter
Potentiometer

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Measurement and Instrumentation
Which of the following devices should be used for accurate measurement of low D.C. voltage?

Small range thermocouple voltmeter
None of these
Small range moving coil voltmeter
C. potentiometer

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