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Process Control and Instrumentation

Process Control and Instrumentation
Change of angle of refraction with composition comprises the working principle of a

Polarimeter
Refractrometer
Spectrometer
Polarograph

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Process Control and Instrumentation
In a single tank system, the transfer function of level to inlet flow rate is

1/TS
R/TS
R/(TS + 1)
L(TS + l)

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Process Control and Instrumentation
Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C.

> 0
> 800
< 0
< 100

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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
1
100
10

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Process Control and Instrumentation
Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.

1261.93
961.93
1064.43
630.74

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Process Control and Instrumentation
Pick out the one which is a first order instrument.

Bare metallic thermometer
Mercury in glass thermometer (without any covering or air gap)
Bare vapor pressure thermometer
All of these

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MORE MCQ ON Process Control and Instrumentation

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