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  • Question
  • Specific gravity of a liquid can not be measured by a/an


  • Options
  • A. anemometer
  • B. specific gravity bottle
  • C. pycnometer
  • D. hydrometer

  • Correct Answer
  • anemometer 


  • Process Control and Instrumentation problems


    Search Results


    • 1. Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

    • Options
    • A. no change
    • B. decrease
    • C. increase
    • D. exponential decrease
    • Discuss
    • 2. Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.

    • Options
    • A. 0-100
    • B. < 0
    • C. > 100.
    • D. > 50
    • Discuss
    • 3. Concentration of sugar solution can be determined by the

    • Options
    • A. polarimetry
    • B. flame photometry
    • C. emission spectroscopy
    • D. oscillometry
    • Discuss
    • 4. Humidity of air can be determined by a

    • Options
    • A. chromatograph
    • B. sling psychrometer
    • C. mass spectrometer
    • D. polarimeter
    • Discuss
    • 5. In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction

    • Options
    • A. heavy distillates
    • B. intermediate distillates
    • C. light ends
    • D. residues
    • Discuss
    • 6. The frequency response of a first order system, has a phase shift with lower and upper bounds given by

    • Options
    • A. - ?, ?/2
    • B. -?/2, ?/2
    • C. -?/2, 0
    • D. 0, ?/2
    • Discuss
    • 7. Which of the following can not measure a temperature of 1600°C?

    • Options
    • A. Platinum resistance thermometer
    • B. Thermocouple
    • C. Photo-electric pyrometer
    • D. Radiation pyrometer
    • Discuss
    • 8. Degree to which an instrument indicates the changes in measured variable without dynamic error is called its

    • Options
    • A. speed of response
    • B. reproducibility
    • C. fidielity
    • D. static characteristics
    • Discuss
    • 9. The transfer function for a P-D controller is

    • Options
    • A. Kc(1+?D s)
    • B. Kc(1 +1/?D s)
    • C. Kc ?D s
    • D. Kc/?D s
    • Discuss
    • 10. Flow rate of a river is measured by a/an

    • Options
    • A. pitot tube
    • B. vane meter
    • C. kennison nozzle
    • D. open weir
    • Discuss


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