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Process Control and Instrumentation

Process Control and Instrumentation
A barometer measures the __________ pressure.

Absolute as well as gauge
Gauge
Absolute
Dynamic

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Process Control and Instrumentation
Silver point temperature is __________ °C.

1060.5
960.5
760.5
860.5

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Process Control and Instrumentation
Which of the following shows maximum dip effect (indicating reverse direction of temperature change)?

Mercury thermometer
Radiation pyrometer
Bimetallic thermometer
Thermocouple

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Process Control and Instrumentation
__________ is the static characteristics of an instrument,

Dynamic error
Tine lag
Drift
Response

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Process Control and Instrumentation
Gain margin is equal to the

Gain in P controller
Amplitude ratio
Reciprocal of amplitude ratio
Gain in P-I controller

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Process Control and Instrumentation
Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?

Seebeck effect
Peltier effect
Joule heating effect
Thomson effect

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