Process Control & Instrumentation Mcqs for Chemical

Q.  Pirani gauge is used for the measurement of________________?

a. Very high pressure
b. High vacuum
c. Liquid level under pressure
d. Liquid level at atmospheric pressure


ANSWER: See Answer
 
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MCQs:  The transfer function for a PID controller is (where, η i is the integral (reset) time and ηD is the derivative time.) ?
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MCQs:  The term analogous to the electrical current in a thermal system is the_________________?
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MCQs:  Which is the most suitable instrument for measuring pressure below 3 microns ?
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MCQs:  Which of the following flow-metering instruments is an areameter ?
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MCQs:  The calibration data of a thermocouple with its cold junction at 0°C are given below. The hot junction of the thermocouple is placed in a bath at 80°C, while its cold junction is at 20°C. What is the emf of thermocouple ?
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MCQs:  The second order system with the transfer function 4/(s2 + 2s + 4) has a damping ratio of ___________________?
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MCQs:  A mercury thermometer cannot be used to measure the temperature below the freezing point of mercury, which is _____________ °C?
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