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Process Control and Instrumentation

Process Control and Instrumentation
Response of a linear control system for a change in set point is called

Regulator problem
Transient response
Frequency response
Servo problem

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Process Control and Instrumentation
Liquid levels in autocalves are measued by

Glass gauge
None of these
Simple float
Differential float type manometer

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Process Control and Instrumentation
Mercury thermometer can be used to measure the temperature upto __________ °C.

750
350
100
250

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Process Control and Instrumentation
Pressure of 0.0001 absolute psi can be measured by __________ gauge

Thermocouple
None of these
Pirani
Mcloid

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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
The operation of a rotameter is based on

Pressure drop across a nozzle
Pressure at a stagnation point
Rotation of a turbine
Variable flow area

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