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Measurement and Instrumentation

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

 6.09 A.
 2.03 A.
 4.06 A.
 5 A.

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Measurement and Instrumentation
A first order instrument is characterized by

 Static sensitivity and damping coefficient
 Static sensitivity and time constant
 Static sensitivity, damping coefficient and natural frequency of oscillations
 Time constant only

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Measurement and Instrumentation
Electrostatic instruments are used as

Wattmeter only
Both ammeter and voltmeter
Voltmeters only
Ammeters only

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Measurement and Instrumentation
Which of the following meters has a linear scale?

Moving coil meter
Moving iron meter
Hot wore meter
Thermocouple meter

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Measurement and Instrumentation
Systematic errors are

 instrument errors.
All of these
 observational errors.
 environmental errors.

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Measurement and Instrumentation
The thermocouple instruments do not have

Independence of ambient temperature
Absence of frequency error
High degree of measuring accuracy
High sensitivity

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