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Process Control and Instrumentation

Process Control and Instrumentation
In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1.

Neither A nor B Here
Outlet flow rate
Level
Both A & B Here

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Process Control and Instrumentation
The unit of 'time constant' of a system is the same as that of

Velocity
None of these
Time
(time)⁻¹

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Process Control and Instrumentation
Radiation thermometer can not measure the temperature

Of liquid oxygen
Inside a pressure vessel
Of moving objects at high temperature
Of an object without coming in contact with it

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Process Control and Instrumentation
Dead zone in an instrument must be less than __________ percent of the scale.

4
0.2
1.5
8

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Process Control and Instrumentation
Which of the following is not classified as a thermo electric pyrometer

Resistance thermometer
Radiation pyrometer
Thermocouple
Optical pyrometer (disappearing filament type)

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Process Control and Instrumentation
A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in

Voltage
Current
Flux density
Light intensity

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