Exam (elaborations)
ASE A1(Engine Repair) CUMULATIVE PRACTICE TEST QUESTIONS AND ANSWERS.
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ASE A1(Engine Repair) CUMULATIVE PRACTICE TEST QUESTIONS AND ANSWERS.
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ASE A1(Engine Repair) CUMULATIVE PRACTICETEST QUESTIONS AND ANSWERS.
A cooling system is being checked with a pressure tester. the gauge
pressure rises when the engine is started.
A says this could be caused by a crack in the combustion chamber.
B says this could be caused by clogged tubes in the radiator
A
B
Both
Neither
Verified Answer -A
A clogged radiator would not cause this
While replacing a faulty heater core hose, a technician discovers that the
hose is stubbornly stuck to the heater core fitting. to remove the hose, he
should:
-pierce the hose with a screwdriver and try to pull it off the fitting
-use a pair of pliers to loosen the hose
-pry behind the edge of the hose to loosen it
-cut the hose off at the fitting and slit the remaining piece
Verified Answer -cut the hose off at the fitting and slit the remaining
piece
,while cleaning a pleated paper-type air filter element, the air gun should
be held:
away from the outside of the air filter element
directly against the outside of the air filter element
directly against the inside of the air filter element
away from the inside of the air filter element
Verified Answer -away from the inside of the air filter element
~when cleaning a pleated paper-type air filter element using compressed
air, hold the air gun tip about 6 inches from the inside of the filter
element
-air should be blown from the inside out to remove particles, and air
forced into the filter are too short of a distance may damage the filter.
all of the following statements regarding manifold heat control valves are
true EXCEPT:
- a manifold heat control valve improves fuel vaporization in the intake
manifold especially when the engine is cold
- a manifold heat control valve stuck in the closed position causes a loss
of engine power
- a manifold heat control valve stuck in the open position may cause an
acceleration stumble
,- a manifold heat control valve stuck in the closed position reduces intake
manifold temperature
Verified Answer -a manifold heat control valve stuck in the closed
position reduces intake manifold temp
~the exhaust manifold on carbureted and throttle body injected engines
may be equipped with a manifold heat control valve. if the manifold heat
control valve is stuck open or fails to close when the engine is cold, the
engine may stumble during acceleration. if the valve is stuck in the closed
position, engine power will be reduced and the intake manifold will
overheat.
A says an intake manifold vacuum leak may cause a cylinder misfire with
the engine idling.
B says an intake manifold vacuum leak may cause a cylinder misfire
during hard acceleration...
A
B
Both
Neither
Verified Answer -A
an intake manifold vacuum leak at idle may cause a cylinder misfire
condition. an intake manifold vacuum leak will not cause a misfire
condition during hard acceleration when the vacuum is lower. manifold
vacuum is reduced during acceleration. Therefore, the leak would not
contribute to cylinder misfire
, the hose from the positive crankcase ventilation valve to the intake
manifold is restricted. this problem could result in
an acceleration stumble
oil accumulation in the air cleaner
engine surging at high speed
engine detonation during acceleration
Verified Answer -oil accumulation in the air cleaner
- a pcv valve stuck open may casue acceleration stumble
-restricted pcv hose would not cause the engine to surge at high speed,
nor would it lead to engine detonation
when installing a starter motor, shims may be required by some
manufacturers to adjust the gap between the starter pinion gear and
flywheel ring gear. adding a 0.015 inch shim between the starter motor
and the engine block will:
decrease the clearance by 0.005
decrease the clearance by 0.015
increase the clearance by 0.010
increase the clearance by 0.005
Verified Answer -increase the clearance by 0.005.
~adding a 0.015 inch shim will increase clearance by 0.05 inch
reduced turbocharger boost pressure may be caused by a:
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