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Process Control and Instrumentation

Process Control and Instrumentation
The thermal emf-temperature relationship of most thermocouples is

Linear
Parabolic
Square root
Exponential

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Process Control and Instrumentation
Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a

Thermocouple
Reistance thermometer
Mercury in glass thermometer
Vapor pressure thermometer

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Process Control and Instrumentation
Humidity of air can be determined by a

Chromatograph
Mass spectrometer
Sling psychrometer
Polarimeter

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Process Control and Instrumentation
A mercury barometer measures the __________ pressure.

Absolute
Atmospheric
Gauge
Vacuum

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Process Control and Instrumentation
Which of the following controllers has the least maximum deviation?

P-controller
P-I-D controller
P-D controller
P-I controller

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Process Control and Instrumentation
The temperature range for which copper resistance thermometer can be used is __________ °C

0 to 150
-200 to 150
350 to 750
500 to 900

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