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Process Control and Instrumentation

Process Control and Instrumentation
The amplitude ratio for the sinusoidal response of a __________ is 1.

Second order system
None of these
First order system
Transportation lag

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

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

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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/s³
4/s³
2/s²

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Process Control and Instrumentation
Flow rate of a river is measured by a/an

Open weir
Kennison nozzle
Pitot tube
Vane meter

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Process Control and Instrumentation
In an exothermic chemical reactor, the manipulated variable is the flow rate of

None of these
Reactants
Product
Coolant

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Process Control and Instrumentation
Thermal conductivity measurement com-prises the working principle of a

CO₂ analyser
Chromatograph
Spectrometer
Polarimeter

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