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Measurement and Instrumentation

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

 Random errors
 Gross errors
 Systematic errors
 Environmental errors

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Measurement and Instrumentation
In a moving iron meter, the deflecting torque is proportional to

Square of the current through the coil
Squareroot of the measurand
Current through the coil
Sine of the measurand

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Measurement and Instrumentation
Standardization of potentiometer is done in order that, they become

 accurate and direct reading.
 accurate and precise.
 accurate.
 precise.

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Measurement and Instrumentation
PMMC Instrument can be used for

Both AC and DC
DC work only
AC work only
None of the listed here

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Measurement and Instrumentation
The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used?

1 Ohm
49.99 Ohms
2 Ohms
1/49.99 ohms

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Measurement and Instrumentation
In a gravity controlled instrument, the deflection angle is proportional

Sine of the measurand
Measurand
Sine inverse of measurand
Square of the measurand

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MORE MCQ ON Measurement and Instrumentation

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