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Process Control and Instrumentation

Process Control and Instrumentation
Paramagnetism method is not used for the composition determination of __________ in gases.

Any of these
Oxides of nitrogen
Carbon dioxide
Oxygen

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Process Control and Instrumentation
A sinusoidal variation in the input passing through a linear first order system

Becomes less oscillatory (frequency decreases)
Gets attenuated (magnitude decreases)
Gets amplified (magnitude increases)
Becomes more oscillatory (frequency increases)

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Process Control and Instrumentation
Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer.

None of these
Optical
Radiation
Photoelectric

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Process Control and Instrumentation
__________ thermometer can not measure sub-zero (< 0° C) temperature,

Vapor pressure
Resistance
Bimetallic
Mercury in glass

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Process Control and Instrumentation
The transfer function of a first order system is

None of these
1/(Ts + 1)
S/(Ts + 1)
1/Ts

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Process Control and Instrumentation
The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature.

Pressure
Viscosity
All of these
Volume

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