Q. The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60Β°, then the dead time (in minutes) is
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Correct Answer: (A)
5Ο/12
Process Control And Instrumentation MCQs | Page - 7
Dear candidates you will find MCQ questions of Process Control And Instrumentation here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. Which of the following controllers has the least maximum deviation?
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Correct Answer: (D)
P-D controller
Q. Which of the following is not a speed measuring instrument?
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Correct Answer: (A)
Psychrometer
Q. A stable system is the one
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Correct Answer: (A)
For which the output response is bounded for all bounded input
Q. Which of the following is the dynamic characteristics of an instrument?
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Correct Answer: (D)
Fidelity
Q. Radiation thermometer can not measure the temperature
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Correct Answer: (C)
Of liquid oxygen
Q. Liquid flow rate in a small channel is best measured by a/an
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Correct Answer: (B)
Pitot tube
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