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Process Control and Instrumentation

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

Open weir
Orificemeter
Both B & C
Kennison nozzle

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Process Control and Instrumentation
Pressure of 0.01 psi (absolute) can be measured by __________ gauge.

Pirani
None of these
Ionisation
Mcloid

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Process Control and Instrumentation
Pressure of 0.0001 absolute psi can be measured by __________ gauge

Thermocouple
Mcloid
None of these
Pirani

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Process Control and Instrumentation
Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C.

Nickel
Gold
Antimony
Silver

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Process Control and Instrumentation
Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability?

Alcohol in glass thermometer
Nitrogen in steel thermometer
Fused metal (Na or K) in steel thermometer
Mercury in glass thermometer

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Process Control and Instrumentation
Gain margin is equal to the

Reciprocal of amplitude ratio
Gain in P controller
Gain in P-I controller
Amplitude ratio

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