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Measurement and Instrumentation

Measurement and Instrumentation
The Metric System is also called as:

 CGS
None of these
 MKS system
 SI

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

 4.06 A.
 5 A.
 2.03 A.
 6.09 A.

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Measurement and Instrumentation
Attraction and repulsion type instruments are the two different types of which instrument ?

 Induction type.
 Multipliers.
 Dynamo-meter type.
  Moving iron type.

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Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Any of the listed here
Modified De santy's bridge
Schering bridge
Wein bridge

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Measurement and Instrumentation
A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is

 0.0012 Ohm.
 0.0024 Ohm.
 240 Ohm.
 120 Ohm.

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Measurement and Instrumentation
A variable w is related to three other variables x, y and z as w = xy/z. The variables are measured with meters of accuracy ± 0.5% reading, ± 1% of full scale value and ± 1.5% reading. The actual readings of the three meters are 80, 20 and 50 with 100 being the full scale value for all three. The maximum uncertainty in the measurement of w will be

 ± 5%
 ± 8%
 ± 7%
 ± 6%

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