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Mechanical Engineering :: Automobile Engineering

  1. Highest useful compression ratio (HUCR) is the highest compression ratio at which the

  2. A.
    engine can run
    B.
    engine gives maximum output
    C.
    engine is most efficient
    D.
    fuel can be used in a test engine without knocking

  3. In Diesel engines, during suction stroke, __________ is drawn in the cylinder.

  4. A.
    air and fuel
    B.
    only fuel
    C.
    only air
    D.
    none of these

  5. The formula for Iso-octane is

  6. A.
    C8H18
    B.
    C7H17
    C.
    C6H18
    D.
    C7H18

  7. The crankshaft of a typical in-line four cylinder engine has __________ balance weights.

  8. A.
    12
    B.
    4
    C.
    16
    D.
    8

  9. The function of a governor in automobiles is to

  10. A.
    limit the power
    B.
    limit the vehicle speed
    C.
    maintain constant engine speed
    D.
    maximise the fuel economy

  11. A petrol that detonates easily is called

  12. A.
    high octane petrol
    B.
    low octane petrol
    C.
    unleaded petrol
    D.
    blended fuel

  13. In comparison to frame type construction, the frameless structure construction of automobiles is economical when produced in __________ numbers.

  14. A.
    small
    B.
    large

  15. The minimum parking brake force is generally __________ of gross vehicle mass (GVM).

  16. A.
    5%
    B.
    10%
    C.
    15%
    D.
    20%

  17. Bead wires are made of

  18. A.
    steel
    B.
    copper
    C.
    zinc
    D.
    aluminium

  19. The condition that results in large quantities of HC emission is

  20. A.
    high temperature combustion
    B.
    incomplete combustion
    C.
    low temperature combustion
    D.
    high atmospheric temperature combustion