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Measurement and Instrumentation

Measurement and Instrumentation
To increase Q factor of a coil, the wire should be

 thin.
 long and thin.
 thick.
 long.

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Measurement and Instrumentation
In induction type ammeter, _____ damping is provided.

Air friction
Eaddy current
Fluid friction
None of the listed here

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Measurement and Instrumentation
A moving iron ammeter may be compensated for frequency errors by

Series resistance
A series inductance
Shunt capacitance
A shunt resistance

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Measurement and Instrumentation
Which of the following is a variable displacement transducer?

 synchros
 tachometer
None of these
 potentiometer

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Measurement and Instrumentation
The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is

One ohm according to working standards
One international ohm
Standard ohm
One ohm according to SI units

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Measurement and Instrumentation
Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are

One of the meters out of the range and other 100V
400V and 200V
300V each
360V and 240V

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MORE MCQ ON Measurement and Instrumentation

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