Q. Measurement of pressure in ammonia reactor is done by
✅ Correct Answer: (A)
Bourdon gauge
Process Control And Instrumentation MCQs | Page - 3
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. With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer
✅ Correct Answer: (B)
Decreases
Q. Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by
✅ Correct Answer: (A)
Filling nitrogen under pressure in the stem
Q. An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a
✅ Correct Answer: (D)
PH meter
Q. A negative gain margin expressed in decibels means a/an __________ system.
✅ Correct Answer: (B)
Unstable
Q. Which of the following is not a mechanical pressure sensing element?
✅ Correct Answer: (D)
U-tube
Q. Which of the following shows maximum dip effect (indicating reverse direction of temperature change)?
✅ Correct Answer: (A)
Mercury thermometer
Jump to