Q. Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere?
✅ Correct Answer: (A)
Platinum-platinum + rhodium
Process Control And Instrumentation MCQs | Page - 6
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. Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is
✅ Correct Answer: (C)
Paraffin
Q. Specific conductance is defined as the reciprocal of resistance in ohms of 1 c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm3.
✅ Correct Answer: (A)
1
Q. Which of the following instruments is not used for measuring sub-zero (<0°) temperatures?
✅ Correct Answer: (D)
Radiation pyrometer
Q. A non-linear chemical system is exemplified by a/an
✅ Correct Answer: (C)
Non-isothermal CSTR
Q. The unit of 'time constant' of a system is the same as that of
✅ Correct Answer: (B)
Time
Q. Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples.
✅ Correct Answer: (B)
Vycor (a glass)
Q. Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.
✅ Correct Answer: (C)
> 100
Q. Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C.
✅ Correct Answer: (B)
< 0
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