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Home Mechanical Engineering Thermodynamics Comments

  • Question
  • Liquid fuels have lower efficiency than solid fuels.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 


  • Thermodynamics problems


    Search Results


    • 1. The hyperbolic pocess is governed by

    • Options
    • A. Boyle's law
    • B. Charles' law
    • C. Gay-Lussac law
    • D. Avogadro's law
    • Discuss
    • 2. Which is the incorrect statement about Carnot cycle?

    • Options
    • A. It is used as the alternate standard of comparison of all heat engines.
    • B. All the heat engines are based on Carnot cycle.
    • C. It provides concept of maximising work output between the two temperature limits.
    • D. all of the above
    • Discuss
    • 3. Those substances which have so far not been resolved by any means into other substances of simpler form are called

    • Options
    • A. elements
    • B. compounds
    • C. atoms
    • D. molecules
    • Discuss
    • 4. Ericsson cycle consists of two constant pressure and two isothermal processes.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 5. Which of the following gas has a minimum molecular mass?

    • Options
    • A. Oxygen
    • B. Nitrogen
    • C. Hydrogen
    • D. Methane
    • Discuss
    • 6. The greater the pressure difference in throttling, the lesser is the irreversibility.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 7. The efficiency of Joule cycle is

    • Options
    • A. greater than Carnot cycle
    • B. less than Carnot cycle
    • C. equal to Carnot cycle
    • D. none of these
    • Discuss
    • 8. The fuel mostly used in steam boilers is

    • Options
    • A. brown coal
    • B. peat
    • C. coking bituminous coal
    • D. non-coking bituminous coal
    • Discuss
    • 9. The efficiency of a dual combustion cycle __________ upon cut-off ratio.

    • Options
    • A. depends
    • B. does not depend
    • Discuss
    • 10. The blast furnace gas is a by-product in the production of pig iron in the blast furnace.

    • Options
    • A. Yes
    • B. No
    • Discuss


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