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Process Control and Instrumentation

Process Control and Instrumentation
In Bode plot, Φ vs ω is plotted on a/an __________ graph paper.

Semi-log
Ordinary
Log-log
Triangular

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

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

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Process Control and Instrumentation
The pressure sensing element of elastic type pressure gauge is never made in the form of a

Bourdon tube
Diaphragm
Bellow
Strip

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

2/s³
2/s²
4/s³
4/s²

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Process Control and Instrumentation
In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable.

Manipulated
Load
None of these
Controlled

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Process Control and Instrumentation
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Either A, B or C
Platinum-platinum+rhodium
Iron-constantan
Chromel-alumel

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