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Mechanical Engineering :: Production Engineering

  1. The discharged lead-acid battery has on its plates

  2. A.
    lead peroxide (PbO2)
    B.
    spongy lead (Pb)
    C.
    lead sulphate (PbSO4)
    D.
    sulphuric acid (H2SO4)

  3. During suction stroke, the inside pressure of cylinder is

  4. A.
    more than the atmospheric pressure
    B.
    less than the atmospheric pressure
    C.
    equal to the atmospheric pressure
    D.
    none of these

  5. The function of an oil control orifice is that it

  6. A.
    returns cylinder head lubricating oil to the oil pan at high speed
    B.
    turns oil into fine mist for spray lubrication
    C.
    regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes
    D.
    removes impurities from cylinder head lubricating oil

  7. The advantage of having a tandem master cylinder arrangement in automobiles is that it

  8. A.
    enhances safety by serving two independent lines in a divided-line brake circuit
    B.
    enhances safety by activating the brakes using vacuum pressure in the event of brake fluid loss
    C.
    supplies equal fluid pressure to each line of a divided-line brake circuit, thereby preventing the brakes from dragging on one side
    D.
    boosts the brake fluid pressure to reduce the force required to depress the brake pedal

  9. In petrol engines, during suction stroke, __________ is drawn in the cylinder

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

  11. The included angle is the sum of the

  12. A.
    camber and castor
    B.
    castor and S.A.I
    C.
    camber and S.A.I.
    D.
    camber and toe-in

  13. Which of the following parameter can be adjusted by modifying the tie-rod attachment length ?

  14. A.
    Camber
    B.
    Caster
    C.
    Toe
    D.
    Steering gear ratio

  15. The main feature of MacPherson strut suspension is that

  16. A.
    the vertical size of the suspension can be made more compact
    B.
    non-vertical external forces are supported by the suspension arms
    C.
    the unsprung mass in lighter
    D.
    the assembly is slightly more complicated in design

  17. The lubrication oil flow in an engine is in the order as

  18. A.
    oil strainer - oil pump - relief valve - oil filter - cylinder block - cylinder head - oil pan
    B.
    oil pump - oil strainer - relief valve - oil filter - cylinder block - cylinder head - oil pan
    C.
    oil strainer - oil filter - relief valve - oil pump - cylinder block - cylinder head - oil pan
    D.
    oil strainer - oil pump - relief valve - oil filter - cylinder head - cylinder block - oil pan

  19. A three way catalytic converter

  20. A.
    recirculates exhaust gasses
    B.
    burns fuel vapaour gasses
    C.
    reduces N2, H2O, and CO2 emission levels
    D.
    removes CO, HC, and NO2 from the exhaust gasses passing through it