A-1 Engine Repair
Practice Test Answers
16.
Answer A is wrong. Both technicians are correct.
Answer B is wrong. Both technicians are correct.
Answer C is correct. The valve can strike the piston when out of timing in an interference engine.
Answer D is wrong. Both technicians are correct.
Return
17.
Answer A is correct. Coolant leaks past the seal and contaminates the bearing.
Answer B is wrong. Always check to see if the fan clutch has left or right handed threads before
attempting removal.
Answer C is wrong. Technician A is correct.
Answer D is wrong. Technician A is correct.
Return
18.
Answer A is wrong. Technician B is correct.
Answer B is correct. The ECT effects both engine timing and fuel mixture.
Answer C is wrong. Technician B is correct.
Answer D is wrong. Technician B is correct.
Return
19.
Answer A is wrong.
Answer B is wrong.
Answer C is wrong.
Answer D is correct. Air is leaking from the cylinder, past the gasket, and into the coolant jacket.
Return
20.
Answer A is wrong.
Answer B is wrong.
Answer C is correct. This is a least likely type question. A rich not lean condition can damage a catalytic
converter.
Answer D is wrong.
Return
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