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Process Control and Instrumentation

Process Control and Instrumentation
The __________ of a vapor pressure thermometer is a functioning element.

Bourdon tube
None of these
Pointer
Bulb

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Process Control and Instrumentation
Turbine flow meters are suitable for

Both B and C
Cryogenic flow measurements
Aerospace and in air borne applications
Very limited flow ranges

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Process Control and Instrumentation
Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is

Ethylene glycol
Carbon tetrachloride
Water
Paraffin

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Process Control and Instrumentation
The term analogous to voltage in a single tank system is the

Liquid volume in the tank
Heat content of the system
Flow rate
Level of liquid

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Process Control and Instrumentation
Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature.

Increase of pressure
Increase of thermal conductivity
Volumetric expansion
Differential linear expansion

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Process Control and Instrumentation
Dead zone is the

Maximum change in the variable that does not change the reading of the instrument
Same as time constant
Same as transportation lag
None of these

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