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  • Question

  • An aneroid barometer measures the __________ pressure.


  • Options
  • A. atmospheric
  • B. absolute
  • C. vacuum
  • D. gage

  • Correct Answer
  • absolute 

    • Process Control and Instrumentation problems

    Search Results

    • 1. A pyranometer is an instrument used for measuring the

    • Options
    • A. beam radiation.
    • B. global radiation.
    • C. bright sunshine period.
    • D. none of these.
      • Discuss
    • 2. What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple?

    • Options
    • A. 0.1
    • B. 3
    • C. 13
    • D. 29
      • Discuss
    • 3. Reset rate is the another term used for __________ time.

    • Options
    • A. dead
    • B. integral
    • C. derivative
    • D. none of these
      • Discuss
    • 4. The temperature range for which copper resistance thermometer can be used is __________ °C

    • Options
    • A. 0 to 150
    • B. -200 to 150
    • C. 350 to 750
    • D. 500 to 900
      • Discuss
    • 5. High temperature of around 2000°C of incandescent gas mantles is measured by a/an

    • Options
    • A. specially designed thermocouple.
    • B. optical pyrometer.
    • C. radiation pyrometer.
    • D. none of these.
      • Discuss
    • 6. Which of the following does not figure in the list of seven substances selected for international temperature scale?

    • Options
    • A. Ice (F.P) and steam (B.P)
    • B. Oxygen and sulphur (B.P)
    • C. Antimony and silver (F.P)
    • D. Zinc (B.P) and mercury (F.P)
      • Discuss
    • 7. Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?

    • Options
    • A. Water
    • B. Mercury
    • C. Methyl alcohal
    • D. Carbon-tetrachloride
      • Discuss
    • 8. Very low pressure is expressed in microns(?), which is equal to __________ mm of Hg coloumn (absolute) at 0°C.

    • Options
    • A. 0.0001
    • B. 0.001
    • C. 0.01
    • D. 0.1
      • Discuss
    • 9. Mercury thermometer can be used to measure the temperature upto __________ °C.

    • Options
    • A. 100
    • B. 250
    • C. 350
    • D. 750
      • Discuss
    • 10. Bourdon gauges are used for measuring pressure (kg/cm2 )

    • Options
    • A. < atmospheric
    • B. > 2 (gauge)
    • C. < 2 (gauge)
    • D. > 10 (absolute)
      • Discuss

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