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Process Control and Instrumentation

Process Control and Instrumentation
Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an

Orificemeter
Hot wire anemometer
Venturimeter
Magnetic flow meter

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Process Control and Instrumentation
Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a

Thermocouple
Vapor pressure thermometer
Mercury in glass thermometer
Reistance thermometer

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Process Control and Instrumentation
__________ controller has the maximum stabilising time.

PID
PD
P
PI

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Process Control and Instrumentation
Starting temperature of optical radiation pyrometer is __________ °C.

400
1200
800
1500

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Process Control and Instrumentation
Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?

CO
O₂
CO₂
N₂

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Process Control and Instrumentation
A pyranometer is an instrument used for measuring the

Bright sunshine period
Global radiation
Beam radiation
None of these

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