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Process Control and Instrumentation

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.

Peltier
Seebeck
None of these
Thomson

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Process Control and Instrumentation
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?

1
>1
None of these
< 1

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Process Control and Instrumentation
The closed loop pole of a stable second order system could be

One real positive and the other real negative
Both real and positive
Complex conjugate with positive real parts
Both real and negative

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Process Control and Instrumentation
Mcleoid gauge is used to measure the

Pressure
Flow rate
Vacuum
Point velocity

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Process Control and Instrumentation
Flow rate through an orifice is __________ the pressure differential.

Proportional to the square root of
Inversely proportional to the square root of
Inversely proportional to the square of
Proportional to

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Process Control and Instrumentation
Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a

Bimetallic thermometer
Beckman thermometer
Dilatometer
Mercury thermometer

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