logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Thermodynamics See What Others Are Saying!
  • Question
  • In a free expansion process,


  • Options
  • A. W1 - 2 = 0
  • B. Q1 - 2 = 0
  • C. dU = 0
  • D. all of these

  • Correct Answer
  • all of these 


  • More questions

    • 1. The process of improving the cutting action of the grinding wheel is called

    • Options
    • A. truing
    • B. dressing
    • C. facing
    • D. clearing
    • Discuss
    • 2. The metacentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is

    • Options
    • A. 4.1 s
    • B. 5.2 s
    • C. 10.4 s
    • D. 14.1 s
    • Discuss
    • 3. Gears can be cut on a shaper.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 4. The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as

    • Options
    • A. drawing
    • B. squeezing
    • C. coining
    • D. planishing
    • Discuss
    • 5. In a four high rolling mill, the diameter of backing up rolls is __________ the diameter of working rolls.

    • Options
    • A. equal to
    • B. smaller than
    • C. larger than
    • Discuss
    • 6. For smoothing and cleaning out depressions in the mould, a __________ is used.

    • Options
    • A. slick
    • B. lifter
    • C. swab
    • D. gagger
    • Discuss
    • 7. Linear programming can be applied successfully to

    • Options
    • A. chemical industry
    • B. oil industry
    • C. banks
    • D. all of these
    • Discuss
    • 8. The process, generally used in winter air-conditioning to warm and humidity the air, is called

    • Options
    • A. humidification.
    • B. dehumidification
    • C. heating and humidification
    • D. cooling and dehumidification
    • Discuss
    • 9. In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is

    • Options
    • A. high pressure saturated liquid
    • B. wet vapour
    • C. very wet vapour
    • D. dry vapour
    • Discuss
    • 10. The sleeve or muff coupling is designed as a

    • Options
    • A. dun cylinder
    • B. thick cylinder
    • C. solid shaft
    • D. hollow shaft
    • Discuss


    Comments

    There are no comments.

Enter a new Comment