Engine Repair ASE

Front

Identify the stroke: Compression, Exhaust, Power, Intake.

Back

Power.

Front

The freeze protection level in a cooling system can be adjusted by:

Back

Changing the Antifreeze to Coolant ratio.

Answer explanation

Normal coolant to antifreeze mixture is 50%/50%. The freeze point and the boiling point can both be changed by adjusting the ratio of one to the other.

Front

To clean a cylinder after machining and deglazing, you should: High pressure or hand wash with soap and water.

Back

High pressure or hand wash with soap and water.

Front

A vehicle overheating at idle speed could be due to: Low A/C refrigerant, Low engine idle speed, Faulty cooling fan(s), An obstructed heater core.

Back

Faulty cooling fan(s).

Front

A vehicle overheating at highway speeds could be due to: Failed cooling fan(s), A damaged fan shroud, Using a different brand of coolant, A stuck open thermostat.

Back

A damaged fan shroud.

Front

What are two methods used to inspect for cracks on an engine block?

Back

Dye penetrant and magnafluxing.

Front

Oil leaks may be caused by which of the following? Stuck open PCV, Plugged PCV, Using synthetic oil, Leaking exhaust manifold gasket.

Back

Plugged PCV.

Front

An engine oil pan with an RTV seal is leaking oil. Technician A says the oil pan must be cleaned and new sealer should be applied. Technician B says the oil pan should be replaced and a rubber gasket installed. Who is correct?

Back

Technician A.

Front

Blue smoke emitting from the exhaust tailpipe is caused by the burning of:

Back

Engine oil.

Front

A cylinder head with TTY bolts is being installed. Technician A says the bolts should be lubricated and reused. Technician B says the bolts should be discarded and new bolts should be installed. Who is correct?

Back

Technician B.