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Process Control and Instrumentation

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

400
1200
1500
800

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Process Control and Instrumentation
A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature.

Nitrogen
Hydrogen
None of these
Helium

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

PI
PID
PD
P

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Process Control and Instrumentation
In Bode plot, A.R. vs. w is plotted on a/an __________ graph paper.

Semi-log
Triangular
Log-lag
Ordinary

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Process Control and Instrumentation
Pyrometry refers to the measurement of temperature

All of these
Directly
With the mercurial thermometer upto 350°C
Which is of higher magnitude

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Process Control and Instrumentation
High temperature of around 2000°C of incandescent gas mantles is measured by a/an

None of these Here
Optical pyrometer
Specially designed thermocouple
Radiation pyrometer

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