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Home Mechanical Engineering Machine Design See What Others Are Saying!
  • Question
  • The sleeve or muff coupling is designed as a


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

  • Correct Answer
  • hollow shaft 


  • More questions

    • 1. An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.

    • Options
    • A. equal to
    • B. directly proportional
    • C. inversely proportional
    • Discuss
    • 2. A point, in a compressible flow where the velocity of fluid is zero, is called

    • Options
    • A. critical point
    • B. vena contracta
    • C. stagnation point
    • D. none of these
    • Discuss
    • 3. In a reciprocating steam engine, the heat energy in the steam is converted into mechanical work by the to and fro motion of the piston.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 4. The size of a reactor at which the chain reaction can be initiated (i.e. when system becomes critical) with just enough fissionable material (called critical mass of fuel) is known as critical size of reactor.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 5. A flow is called sonic, if the Mach number is unity.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 6. A safety valve mainly used with locomotive and marine boilers is

    • Options
    • A. lever safety valve
    • B. dead weight safety valve
    • C. high steam and low water safety valve
    • D. spring loaded safety valve
    • Discuss
    • 7. The Whitworth quick return motion mechanism is formed in a slider crank chain when the

    • Options
    • A. coupler link is fixed
    • B. longest link is a fixed link
    • C. slider is a fixed link
    • D. smallest link is a fixed link
    • Discuss
    • 8. In a compressor, work is done on the piston during suction of air and work is done by the piston during compression as well as delivery of air.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 9. In a hot chamber die casting machine

    • Options
    • A. melting pot is separate from the machine
    • B. melting pot is an integral part of the machine
    • C. melting pot may have any location
    • D. high temperature and pressure is used
    • Discuss
    • 10. The static friction

    • Options
    • A. bears a constant ratio to the normal reaction between the two surfaces
    • B. is independent of the area of contact, between the two surfaces
    • C. always acts in a direction, opposite to that in which the body tends to move
    • D. all of the above
    • Discuss


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