logo

CuriousTab

CuriousTab

Discussion

Home ‣ Mechanical Engineering ‣ Compressors, Gas Dynamics and Gas Turbines See What Others Are Saying!
  • Question

  • The compressed air may be used


  • Options
  • A. in gas turbine plants
  • B. for operating pneumatic drills
  • C. in starting and supercharging of I.C. engines
  • D. all of the above

  • Correct Answer
  • all of the above 

    • More questions

    • 1. An ordinary passenger aircraft requires a cooling system of capacity.

    • Options
    • A. 2 TR
    • B. 4 TR
    • C. 8 TR
    • D. 10 TR
      • Discuss
    • 2. The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

    • Options
    • A. pv = mRT
    • B. pv = RTm
    • C. pvm = C
    • D. pv = (RT)m
      • Discuss
    • 3. The specific speed of a centrifugal pump may be defined as the speed of an imaginary pump, identical with the given pump, which will discharge one litre of water, while it is being raised through a head of one metre.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A closed vessel made of steel and used for the generation of steam is called a

    • Options
    • A. steam boiler
    • B. steam turbine
    • C. steam condenser
    • D. steam injector
      • Discuss
    • 5. A refrigerant compressor is used to

    • Options
    • A. raise the pressure of the refrigerant
    • B. raise the temperature of the refrigerant
    • C. circulate the refrigerant through the refrigerating system
    • D. all of the above
      • Discuss
    • 6. The polytropic index (n) is given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. When a tube of smaller diameter is dipped in water, the water rises in the tube due to viscosity of water.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. In fore-hand welding, the angle between the welding rod and the work is kept as

    • Options
    • A. 30°-40°
    • B. 40°-50°
    • C. 50°-60°
    • D. 60°-70°
      • Discuss
    • 9. Fire tube boilers are

    • Options
    • A. internally fired
    • B. externally fired
    • C. internally as well as externally fired
    • D. none of these
      • Discuss
    • 10. The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship, will be maximum when the relative velocity of the jet and ship is equal to twice the velocity of the ship.

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

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.