ASE T1 GASOLINE ENGINES QUESTIONS AND ANSWERS 100% CORRECT

ASE T1 GASOLINE ENGINES

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 - answerB. 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 - answerA. A closed gap on a spark plug

Excessive crank case pressure can cause oil leaks?
True
False - answerTrue

Excessive crank case pressure can be caused by worn ___ or excessive cylinder wall
or liner clearances.
A. Piston head
B. Rings
C. Seals - answerB. Rings

Bluish-grey or white grey smoke from the exhaust can indicate what?
A. Coolant in engine
B. Fuel not burning
C. Oil consumption - answerC. 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 - answerAll of the above

Coolant leak into a cylinder can cause what color exhaust smoke?
A. White
B. Bluish_grey
C. Black - answerA. 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