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Process Control and Instrumentation

Pirani gauge is used for the measurement of________________?

August 24, 2021March 5, 2019 by admin
Pirani gauge is used for the measurement of________________?

A. Very high pressure
B. High vacuum
C. Liquid level under pressure
D. Liquid level at atmospheric pressure

Categories Process Control and Instrumentation

Zirconia probe is used for the measurement of___________________?

August 24, 2021March 5, 2019 by admin
Zirconia probe is used for the measurement of___________________?

A. Humidity of air
B. % CO2 in flue gas
C. % O2 in flue gas
D. Speed of a submarine

Categories Process Control and Instrumentation

Volumetric expansion is the working principle of the ______________ thermometers?

August 24, 2021March 5, 2019 by admin
Volumetric expansion is the working principle of the ______________ thermometers?

A. Mercury in glass
B. Constant volume gas
C. Vapor pressure
D. Bimetallic

Categories Process Control and Instrumentation

The amplitude ratio for the sinusoidal response of __________ is < 1?

August 24, 2021March 5, 2019 by admin
The amplitude ratio for the sinusoidal response of __________ is < 1?

A. Transportation lag
B. First order system
C. Second order system
D. None of these

Categories Process Control and Instrumentation

A simple pitot tube measures the___________________?

August 24, 2021March 5, 2019 by admin
A simple pitot tube measures the___________________?

A. Average velocity
B. Maximum velocity
C. Point velocity
D. Static pressure

Categories Process Control and Instrumentation

Pressure of 0.01 psi (absolute) can be measured by ______________ gauge?

August 24, 2021March 5, 2019 by admin
Pressure of 0.01 psi (absolute) can be measured by ______________ gauge?

A. Ionisation
B. Pirani
C. Mcleod
D. None of these

Categories Process Control and Instrumentation

Flow rate of sludge is not measured by a/an_________________?

August 24, 2021March 5, 2019 by admin
Flow rate of sludge is not measured by a/an_________________?

A. Orificemeter
B. Open weir
C. Kennison nozzle
D. Both B. & C.

Categories Process Control and Instrumentation

Temperature measuring instruments are standardised mostly with _____________ points of pure substances?

August 24, 2021March 5, 2019 by admin
Temperature measuring instruments are standardised mostly with _____________ points of pure substances?

A. Melting
B. Boiling
C. Both A. & B.
D. Neither A. nor B.

Categories Process Control and Instrumentation

Continuous measurement of moisture in paper is done by_______________?

August 24, 2021March 5, 2019 by admin
Continuous measurement of moisture in paper is done by_______________?

A. Sling psychrometer
B. Hair-hygrometer
C. Weighing
D. High resistance Wheatstone bridge circuit

Categories Process Control and Instrumentation

Thermal conductivity measurement is used for the determination of________________?

August 24, 2021March 5, 2019 by admin
Thermal conductivity measurement is used for the determination of________________?

A. O2 percentage in the flue gas
B. Specific gravity of petrofuels
C. Composition of an alloy
D. CO2 percentage in the flue gas

Categories Process Control and Instrumentation
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