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Process Control and Instrumentation

Process Control and Instrumentation
Zirconia probe is used for the continuous measurment of __________ flue gases going out of the furnace.

Carbon monoxide in
Temperature of
Oxygen in
Carbon dioxide in

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Process Control and Instrumentation
Load cells are used for the measurement of

Strain
Stress
Velocity
Weight

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Process Control and Instrumentation
Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³.

50
100
1
10

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Process Control and Instrumentation
Alphatron measures pressure __________ microns.

< 3
< 1
< 0.1
> 3

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Process Control and Instrumentation
Thermal conductivity measurement is used for the determination of

Specific gravity of petrofuels
Composition of an alloy
CO₂ percentage in the flue gas
O₂ percentage in the flue gas

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Process Control and Instrumentation
The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by

None of these
Reducing value of Kc
Introducing integral control
Introducing derivative control

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