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  • Question
  • The characteristic that is enhanced by the use of cylinder sleeves is


  • Options
  • A. cooling efficiency
  • B. resistance to wear
  • C. lubrication performance
  • D. none of these

  • Correct Answer
  • resistance to wear 


  • More questions

    • 1. The order in which effort applied to the steering wheel is transferred to the front wheel is

    • Options
    • A. steering wheel - steering gearbox - steering shaft - tie rod - steering knuckle - front wheels
    • B. steering wheel - steering shaft - steering gearbox - tie rod - steering kunckle -front wheels
    • C. steering wheel - steering shaft - steering gearbox - steering knuckle - tie rod - front wheels
    • D. steering wheel - tie rod - steering gearbox - steering shaft - steering knuckle - front wheels
    • Discuss
    • 2. Closed packed hexagonal space lattice is found in

    • Options
    • A. zinc, magnesium, cobalt, cadmium, antimony and bismuth
    • B. gamma-iron, aluminium, copper, lead, silver and nickel
    • C. alpha-iron, tungsten, chromium and molybdenum
    • D. none of the above
    • Discuss
    • 3. The direct stress, across a principal plane, is known as principal stress.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 4. The principal function of a stop valve is to

    • Options
    • A. control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required
    • B. empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler
    • C. put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit
    • D. increase the temperature of saturated steam without raising its pressure
    • Discuss
    • 5. The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is

    • Options
    • A. chromium
    • B. nickel
    • C. vanadium
    • D. cobalt
    • Discuss
    • 6. Stress concentration is caused due to

    • Options
    • A. variations in load acting on a member
    • B. variations in properties of materials in a member
    • C. abrupt change of cross-section
    • D. all of these
    • Discuss
    • 7. In second type of levers,

    • Options
    • A. load is in between the fulcrum and effort
    • B. effort is in between the fulcrum and load
    • C. fulcrum is in between the load and effort
    • D. none of these
    • Discuss
    • 8. In a lockgate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and ? = Inclination of the gate with the normal to the side of the lock)

    • Options
    • A.
    • B.
    • C. P / 2sin?
    • D.
    • Discuss
    • 9. Slenderness ratio is the ratio of

    • Options
    • A. maximum size of column to minimum size of column
    • B. width of column to depth of column
    • C. effective length of column to least radius of gyration of the column
    • D. effective length of column to width of column
    • Discuss
    • 10. The range of projectile on a downward inclined plane is __________ the range on upward inclined plane for the same velocity of projection and angle of projection.

    • Options
    • A. less than
    • B. more than
    • C. equal to
    • Discuss


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