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Process Control and Instrumentation

Process Control and Instrumentation
Thermal conductivity cell is the primary element of a/an __________ analyser.

Sulphur dioxide
Carbon dioxide
Oxygen
Carbon monoxide

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Process Control and Instrumentation
Zirconia probe is used for the measurement of

Speed of a submarine
% CO₂ in flue gas
% O₂ in flue gas
Humidity of air

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Process Control and Instrumentation
Liquid argon level in a pressurised storage tank (at 3 kg/cm² ) is measured by a/an

None of these
External float gage
Differential pressure gage
Gage glass

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Process Control and Instrumentation
Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant)

nRT/V
p/nRT
nRT/P
V/nRT

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Process Control and Instrumentation
Flow rate of sludge is not measured by a/an

Orificemeter
Both B & C
Open weir
Kennison nozzle

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Process Control and Instrumentation
Flapper nozzle is used in a/an __________ controller.

Pneumatic
None of these
Hydraulic
Electronic

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