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Measurement and Instrumentation

Measurement and Instrumentation
How many fundamental units are there ?

 6
 7
 4
 8

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Measurement and Instrumentation
How many time-base circuits does a dual face CRO can have?

 3.
 2.
 1.
 4.

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Measurement and Instrumentation
The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is

 1 mA.
 2 mA.
 3 mA.
 4 mA.

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Measurement and Instrumentation
To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to

 ± 20%
 ± 2.5%
 ± 7.5 %
 ± 1.5%

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Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

Gravity
Eddy currents
All of the listed here
Spring

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Measurement and Instrumentation
The scale of a rectifier instrument is

Linear
Non-linear
None of the listed here
Either linear or non linear

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MORE MCQ ON Measurement and Instrumentation

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