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Measurement and Instrumentation

Measurement and Instrumentation
The use of thermocouple meters for AC measurement leads to scale which is

 linear.
 expontial.
 square law.
 logarithmic.

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Measurement and Instrumentation
In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is

 1.
 0.5.
 none of above.
 0.

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Measurement and Instrumentation
A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error?

 3%
 2%
 5%
 4%

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Measurement and Instrumentation
A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge?

 First adjust R4 and then adjust R2.
 First adjust R4 and then adjust R1.
 First adjust R2 and then adjust R3.
 First adjust R2 and then adjust R4.

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Measurement and Instrumentation
Which of the following devices may be used for extending the range of instruments?

Potential transformers
Current transformers
All of the listed here
Shunt

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Measurement and Instrumentation
Which of the quantity consists of unit as newton-second?

 Impulse
 Acceleration
 Speed
 velocity

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MORE MCQ ON Measurement and Instrumentation

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