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Home ‣ Mechanical Engineering ‣ Heat Transfer, Refrigeration and Air Conditioning See What Others Are Saying!
  • Question

  • The index which corelates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as


  • Options
  • A. mean radiant temperature
  • B. effective temperature
  • C. dew point temperature
  • D. none of these

  • Correct Answer
  • effective temperature 

    • More questions

    • 1. The value of universal gas constant is same for all gases.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 2. The temperature below which a gas is always liquified, is known as critical temperature.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 3. The force induced in the string AB due to the load W, as shown in the below figure is

    • Options
    • A. W sin ?
    • B. W cos ?
    • C. W sec ?
    • D. W cosec ?
      • Discuss
    • 4. The approximate height of a blast furnace is

    • Options
    • A. 10 m
    • B. 20 m
    • C. 30 m
    • D. 40 m
      • Discuss
    • 5. A turbo-jet does not require a turbine to drive the compressor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The compression ratio for Diesel engines usually lies in the range of

    • Options
    • A. 6-10
    • B. 10-15
    • C. 15-25
    • D. 25-40
      • Discuss
    • 7. In corrosion resistant properties, bronzes are __________ to brasses.

    • Options
    • A. superior
    • B. inferior
      • Discuss
    • 8. The tool life, in case of continuous cutting, is much better than intermittent cutting.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 9. The thermodynamic cycle on which the petrol engine works, is

    • Options
    • A. Otto cycle
    • B. Joule cycle
    • C. Rankine cycle
    • D. Stirling cycle
      • Discuss
    • 10. The cold chisels are made by

    • Options
    • A. drawing
    • B. rolling
    • C. piercing
    • D. forging
      • Discuss

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