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Process Control and Instrumentation

Process Control and Instrumentation
Paramagnetism method is not used for the composition determination of __________ in gases.

Carbon dioxide
Oxides of nitrogen
Any of these
Oxygen

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Process Control and Instrumentation
The transfer function of a first order system is

S/(Ts + 1)
1/Ts
None of these
1/(Ts + 1)

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Process Control and Instrumentation
Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?

Joule heating effect
Seebeck effect
Peltier effect
Thomson effect

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Process Control and Instrumentation
Pick out the first order system from among the following.

Damped vibrator
Interacting system of two tanks in series
Non-interacting system of two tanks in series
Mercury in glass thermometer kept in boiling water

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Process Control and Instrumentation
Presence of a small amount of water in the organic systems can be determined by the __________ method.

Polarimetry
Dielectric constant end loss factor
Electrical conductivity
Emission spectroscopy

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Process Control and Instrumentation
Polarograph is meant for the analysis of

Isotopes
Gaseous mixture
Miscible liquids
Solids

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