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Process Control and Instrumentation

Process Control and Instrumentation
Flow rate of sludge is not measured by a/an

Open weir
Both B & C
Orificemeter
Kennison nozzle

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Process Control and Instrumentation
Liquid discharge from a tank or reservoir can not be measured by

Mouthpieces
Orificemeters
Weirs
Notches

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Process Control and Instrumentation
The function of a transducer is to

Amplify the input signal
Convert the primary signal into a more useful quantity, usually an electric impulse
Codify/decodify the input signal
Modify the input signal

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Process Control and Instrumentation
Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a

Turbine flowmeter
Flow nozzle type flowmeter
Pitot tube
Magnetic flowmeter

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Process Control and Instrumentation
A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is

-180°
45°
-90°
-45°

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Process Control and Instrumentation
Measurement of pressure in ammonia reactor is done by

U-tube manometer
Pirani guage
Inclined tube manometer
Bourdon gauge

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MORE MCQ ON Process Control and Instrumentation

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