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Process Control and Instrumentation

Process Control and Instrumentation
The thermal emf-temperature relationship of most thermocouples is

Square root
Parabolic
Linear
Exponential

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Process Control and Instrumentation
The term analogous to the electrical current in a thermal system is the

Temperature difference
Heat content in the system
Heat flow rate
None of these

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Process Control and Instrumentation
Meleoid gauge measures the __________ pressure.

Positive
Atmospheric
Very high
Sub-atmospheric

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Process Control and Instrumentation
Pirani gauge is used for the measurement of

Liquid level at atmospheric pressure
Very high pressure
Liquid level under pressure
High vacuum

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Process Control and Instrumentation
Liquid column manometers are used for measuring the pressure __________ kgf/cm² .

< 3 (gage)
< atmospheric
> 2(gage)
< 10 (gage)

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Process Control and Instrumentation
Range of hydrogen gas constant volume themometer is __________ °C.

400 - 1000
100 - 500
0 to 100
-10 to 20

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