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Automotive Knowledge assessment1

Quiz by ahmed

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30 questions
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  • Q1
    You determine when the engine oil was last changed by
    asking the driver.
    asking the Owners.
    looking at the lube sticker.
    inspecting the oil.
    30s
  • Q2
    The oil filter should be changed, some manufacturers recommend, every
    10,000 miles [16,100 km].
    other oil change
    1000 miles [1600 km].
    neither of these.
    30s
  • Q3
    Some manufacturers recommend draining the old coolant from the cooling system and putting in new every.
    season.
    month.
    two years.
    year.
    30s
  • Q4
    On the heated-air system, when the engine is cold, the door in the air-cleaner snorkel should be
    closed.
    neither of these
    opened
    partly opened/ closed
    30s
  • Q5
    Valve-tappet clearance is measured between the valve stem and the
    valve lifter.
    rocker arm.
    adjustment screw.
    Push-rod.
    30s
  • Q6
    On many engines, valve timing is checked by means of markings on the
    engine flywheel.
    valve cover.
    crankshaft and camshaft sprockets or gears.
    either of them.
    30s
  • Q7
    On engines that have the rocker arms mounted in ball studs, tappet clearance is adjusted by
    turning the stud nut.
    grinding the end of the valve stem.
    non of these.
    turning the adjusting screw.
    30s
  • Q8
    Engines equipped with hydraulic valve lifters normally require
    periodic tappet-clearance adjustment.
    no tappet-clearance adjustments.
    either of these.
    adjustment-screw adjustment.
    30s
  • Q9
    In some engines, grinding valves and seats may require installation of
    either of these.
    shorter push-rods.
    new valve lifters.
    longer push-rods.
    30s
  • Q10
    Before a valve seat is ground, the valve guide must be
    cleaned.
    non of these.
    adjusted.
    replaced.
    30s
  • Q11
    If camshaft bearings are worn, they must be
    re-bored.
    reground
    repair
    replaced
    30s
  • Q12
    Three polluting gases that the engine gives off are
    neither of theses.
    CO, HC, and NOx.
    CO2, NOx, and H2O.
    CO, Pb, and NOx.
    30s
  • Q13
    On engines with solid or mechanical lifters, insufficient clearance can result in
    an overheated engine.
    burned valves and seats.
    neither of these.
    tappet noise.
    30s
  • Q14
    Items that must be removed before the pistons can be taken out include the
    non of these.
    head, oil pan, and ring ridges.
    head block and oil pan
    rings, piston pin, and head.
    30s
  • Q15
    Before the pistons are removed, it is necessary to remove the
    piston rings.
    all of these.
    crankshaft.
    ring ridge.
    30s

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