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Process Control and Instrumentation

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

Flow rate
Temperature
Concentration
Pressure

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Process Control and Instrumentation
Positioning controllers are used for

Temperature changes
Flow rate changes
High loads
Low loads

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Process Control and Instrumentation
Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the

Alcohol filled thermometer
Mercury in glass thermometer
Optical pyrometer
Iron-constantan thermocouple

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Process Control and Instrumentation
Number of poles in a system with transfer function 1/(s² + 2s² + 1) is

1
3
5
2

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Process Control and Instrumentation
Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect.

Thomson
Seebeck
Peltier
None of these

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Process Control and Instrumentation
__________ thermometer can not measure sub-zero (< 0° C) temperature,

Bimetallic
Resistance
Mercury in glass
Vapor pressure

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MORE MCQ ON Process Control and Instrumentation

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