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Home ‣ Mechanical Engineering ‣ Thermodynamics Comments
  • Question

  • The atomic mass of sulphur is


  • Options
  • A. 12
  • B. 14
  • C. 16
  • D. 32

  • Correct Answer
  • 32 

    • Thermodynamics problems

    Search Results

    • 1. Both the Ericsson and Joule's cycle have two constant pressure processes.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. When gas is heated at constant pressure, the heat supplied is utilised in

    • Options
    • A. increasing the internal energy of gas
    • B. doing some external work
    • C. increasing the internal energy of gas and also for doing some external work
    • D. none of the above
      • Discuss
    • 3. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 4. The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and ? = Ratio of specific heats)

    • Options
    • A. 1 - r? - 1
    • B. 1 + r? - 1
    • C.
    • D.
      • Discuss
    • 5. First law of thermodynamics deals with

    • Options
    • A. conservation of heat
    • B. conservation of momentum
    • C. conservation of mass
    • D. conservation of energy
      • Discuss
    • 6. When the gas is heated at constant pressure, the heat supplied

    • Options
    • A. increases the internal energy of the gas
    • B. increases the temperature of the gas
    • C. does some external work during expansion
    • D. Both (B) and (C)
      • Discuss
    • 7. It is __________ to make an engine working on a Carnot cycle.

    • Options
    • A. possible
    • B. impossible
      • Discuss
    • 8. If the carbon content in the bituminous coal is 78 to 81%, it is said to be coking bituminous coal.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 9. The mass of carbon per kg of flue gas is given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. The mass of excess air supplied is equal to

    • Options
    • A. x Mass of excess carbon
    • B. x Mass of excess oxygen
    • C. x Mass of excess carbon
    • D. x Mass of excess oxygen
      • Discuss

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