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Measurement and Instrumentation

Measurement and Instrumentation
The errors introduced by an instrument fall in which category ?

 Random errors
 Systematic errors
 Environmental errors
 Gross errors

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Measurement and Instrumentation
The internal resistance of Weston standard cell is of order of

 1 ohm.
 10 ohm.
 100 ohm.
 1000 ohm.

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Measurement and Instrumentation
The household energymeter is

An integrating instrument
None of the listed here
A recording instrument
An indicating instrument

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Measurement and Instrumentation
Unit of deflection sensitivity of a CRO is

 mm per mV.
 mm / V.
 meter / volt.
 V / mm.

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Measurement and Instrumentation
PMMC type instruments normally use

Fluid friction damping
None of these
Air friction damping
Eddy current damping

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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.
 4 mA.
 2 mA.
 3 mA.

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MORE MCQ ON Measurement and Instrumentation

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