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Process Control and Instrumentation

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

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

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Process Control and Instrumentation
For an input forcing function, X(t) = 2t², the Laplace transform of this function is

4/s²
2/s²
2/s³
4/s³

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Process Control and Instrumentation
Compositional analysis of __________ is done using mass spectrometer.

An isotope
An alloy
Natural gas
A solid

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Process Control and Instrumentation
Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer.

Optical
Photoelectric
None of these
Radiation

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Process Control and Instrumentation
Stroboscope is used for the measurement of

Frequency of light
Depression of freezing point
Rpm of a flywheel
Liquid level under pressure

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Process Control and Instrumentation
E.m.f. generated by thermocouples is of the order of

Volts
Kilo volts
Millivolts
Microvolts

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