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Process Control and Instrumentation

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

400
1500
1200
800

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

Frequency response
Transient response
Regulator problem
Servo problem

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

100
350
250
750

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Process Control and Instrumentation
A typical example of a physical system with under damped characteristic is a

Spring loaded diaphragm valve
U-tube manometer
CSTR with first order reaction
Thermocouple kept immersed in a liquid filled thermowell

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Process Control and Instrumentation
To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with

A metal powder or graphite
Oil
Air
Mercury

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Process Control and Instrumentation
The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is

2
1
43832

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MORE MCQ ON Process Control and Instrumentation

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