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Process Control and Instrumentation

Process Control and Instrumentation
Characteristic equation is the denominator of __________ loop transfer function.

Both A & B Here
Neither A Nor B Here
Closed
Open

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Process Control and Instrumentation
Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is

Iron-constantan
Platinum-rhodium
Chromel-alumel
Platinum-platinum+rhyodium

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Process Control and Instrumentation
Compositional analysis of flue gas coming out of a furnace in respect of O₂ and CO₂% can be continuously done by a/an

Orsat apparatus
Chromatograph
Zirconia probe
Thermal conductivity cell

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

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

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Process Control and Instrumentation
The inverse Laplace transform of the function f(s) = 1/S(1 + S) is

1 - et
1 + et
1 - e-t
1 + e-t

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Process Control and Instrumentation
Gas chromatography is used for the measurement of

Concentration
Pressure
Temperature
Flow rate

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