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Process Control and Instrumentation

Process Control and Instrumentation
The fluid used in hydraulic controller is

Water
Oil
Steam
Air

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Process Control and Instrumentation
Which of the following controllers has the least maximum deviation?

P-I controller
P-controller
P-I-D controller
P-D controller

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Process Control and Instrumentation
Measurement of pressure in ammonia reactor is done by

Bourdon gauge
Pirani guage
U-tube manometer
Inclined tube manometer

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Process Control and Instrumentation
Meleoid gauge measures the __________ pressure.

Positive
Sub-atmospheric
Atmospheric
Very high

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Process Control and Instrumentation
In Bode plot, Φ vs ω is plotted on a/an __________ graph paper.

Triangular
Semi-log
Log-log
Ordinary

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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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