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Measurement and Instrumentation

Measurement and Instrumentation
What is the standard unit for length ?

 Centimeter
 Kilometer
 Inch
 Meter

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Measurement and Instrumentation
An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading?

 2+3√2 A.
 2 A.
 5 A.
  3 A.

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Measurement and Instrumentation
The problem of Electrostatic coupling in a transformer is acute at

Low frequencies
High frequencies
Power frequencies
High load on the transformer

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Measurement and Instrumentation
The chemical effect of current is used in

C. energy meter
C. ammeter hour meter
C. ammeter
None of these

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Measurement and Instrumentation
To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken

From a source which is not the same as the unknown voltage
From the same source as the unknown voltage
Any of the above
From a battery

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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
Faulty
Short-circuited
All right

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MORE MCQ ON Measurement and Instrumentation

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