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Measurement and Instrumentation

Measurement and Instrumentation
A galvanometer has

Spring coil damping
Eddy current damping
Air friction damping
Fluid friction damping

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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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Measurement and Instrumentation
A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is

 100 V.
 200 V.
 50 V.
 25 V.

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Measurement and Instrumentation
What is the standard unit for length ?

 Inch
 Meter
 Centimeter
 Kilometer

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Measurement and Instrumentation
A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of

 Resistance of connecting leads.
 All of above.
 Thermoelectric emfs.
 Contact resistance.

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Measurement and Instrumentation
The spring material used in a spring control device should have the following property.

Should have low specific resistance
Should non magnetic
Most be of low temperature co-efficient
All of the listed here

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MORE MCQ ON Measurement and Instrumentation

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