Exam (elaborations)
ASE T1 GASOLINE ENGINES QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ASE T1 GASOLINE ENGINES QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ASE T1 GASOLINE ENGINESQUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
A high spike on an oscilloscope can indicate what?
A. A closed gap on a spark plug
B. An disconnected or open spark plug wire
C. A short in the spark plug wire - ANSWER B. An disconnected or open spark plug wire
A low spike line on an oscilloscope can indicate what?
A. A closed gap on a spark plug
B. An disconnected or open spark plug wire
C. A short in the spark plug wire - ANSWER A. A closed gap on a spark plug
Excessive crank case pressure can cause oil leaks?
True
False - ANSWER True
Excessive crank case pressure can be caused by worn ___ or excessive cylinder wall or liner clearances.
A. Piston head
B. Rings
C. Seals - ANSWER B. Rings
Bluish-grey or white grey smoke from the exhaust can indicate what?
A. Coolant in engine
B. Fuel not burning
C. Oil consumption - ANSWER C. Oil consumption
, When loss of pressure during a coolant pressure test, with no evidence of external leak, what could be
the cause?
A. Cracked cylinder head
B. Cracked engine block
C. Blown head gasket
D. Cylinder liner seal leak - ANSWER All of the above
Coolant leak into a cylinder can cause what color exhaust smoke?
A. White
B. Bluish_grey
C. Black - ANSWER A. White
Combustion gasses escaping into the cooling system will cause what to appear in the radiator while the
engine is running?
A. Discoloration
B. Coolant level to decrease
C. Bubbles - ANSWER C. Bubbles
Milky engine oil can indicate what? - ANSWER Coolant in the crank case oil supply
What test can you use to determine where the combustion gasses are escaping into the coolant
reservoir - ANSWER Cylinder cut out test
Excessive white smoke in the exhaust can indicate what?
A. Internal Coolant leak
B. Unburned fuel
C. Excessive fuel for the amounts of air drawn into the cylinders - ANSWER B. Unburned fuel
Black exhaust smoke can indicate what?
A. Internal Coolant leak
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