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Measurement and Instrumentation

Measurement and Instrumentation
The pointer of an indicating instrument should be

Either light or heavy
Very heavy
None of the listed here
Very light

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Measurement and Instrumentation
The internal resistance of a milli-ammeter must be very low for

 high accuracy.
 minimum effect on the current in the circuit.
 high precision.
 high sensitivity.

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Measurement and Instrumentation
A first order instrument is characterized by

 Static sensitivity and damping coefficient
 Static sensitivity and time constant
 Static sensitivity, damping coefficient and natural frequency of oscillations
 Time constant only

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Measurement and Instrumentation
Jewels are used in instruments for the purpose of

Damping
Bearing
Torque control
Suppressing noise

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Measurement and Instrumentation
Symmetric errors are

Observational errors
Environment errors
All of the listed here
Instrument errors

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Measurement and Instrumentation
What is the expression for acceleration?

 Change in velocity / time
 Mass x acceleration
 Force x displacement
 Mass x velocity

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MORE MCQ ON Measurement and Instrumentation

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