logo

CuriousTab

CuriousTab

Discussion

Home ‣ Mechanical Engineering ‣ Steam Nozzles and Turbines Comments
  • Question

  • The maximum discharge of steam through a convergent-divergent nozzle depends upon


  • Options
  • A. area of nozzle at throat
  • B. initial pressure and volume of steam
  • C. final pressure ofsteam leaving the nozzle
  • D. both (a) and (b)

  • Correct Answer
  • both (a) and (b) 

    • Steam Nozzles and Turbines problems

    Search Results

    • 1. The process of maintaining the speed of the turbine constant for various load conditions, is known as

    • Options
    • A. bleeding
    • B. reheating
    • C. governing
    • D. none of these
      • Discuss
    • 2. The ratio of the work delivered at the turbine shaft to the heat supplied is called overall thermal efficiency of turbine.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The critical pressure ratio for initially dry saturated steam is

    • Options
    • A. 0.546
    • B. 0.577
    • C. 0.582
    • D. 0.601
      • Discuss
    • 4. The Rankine efficiency depends upon total useful heat drop and total isentropic heat drop.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 5. Blading efficiency is also known as

    • Options
    • A. stage efficiency
    • B. diagram efficiency
    • C. nozzle efficiency
    • D. none of these
      • Discuss
    • 6. The pressure of steam, in reaction turbines, is reduced in the fixed blades as well as in moving blades.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 7. The ratio of the energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam is called mechanical efficiency.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 8. The pressure of steam at throat of a steam nozzle is called critical pressure.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 9. The friction in the nozzle __________ exit velocity of steam.

    • Options
    • A. has no effect on
    • B. decreases
    • C. increases
      • Discuss
    • 10. The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine.

    • Options
    • A. same
    • B. less
    • C. more
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.