Level 1 Qtrly Practice Flashcard Jan 25

Front

Technician A says that a minor overhaul can often be done with the engine remaining in the vehicle. Technician B says that a core is required for most remanufactured engines. Which technician is correct?

Back

Both technicians

Front

Water pumps ________.

Back

are driven by the engine crankshaft or camshaft

Front

An engine oil cooler uses what to cool the oil?

Back

Air

Front

The low oil pressure warning light usually comes on when?

Back

Whenever oil pressure drops dangerously low (4 to 7 psi)

Front

Which of the following is the least likely to cause an engine noise? Carbon on the pistons, Cracked exhaust manifold, Loose accessory drive belt, Vacuum leak

Back

Vacuum leak

Front

Which smoke color indicates excessive fuel being burned in the combustion chamber? Options: Blue, Black, White, Gray

Back

Black

Front

Identify the type of ignition system shown in this diagram: Waste spark ignition system, Distributor ignition system, Capacitor discharge system, Coil-on-plug ignition system.

Back

Coil-on-plug ignition system

Front

Which term describes the PCM using oxygen sensor feedback to control fuel delivery?

Back

Closed loop mode

Front

Which technician is correct regarding vacuum-operated fuel pressure regulators and intake manifold pressure at idle?

Back

Technician A only

Front

Which sensor is NOT used to determine injector pulse width during open-loop mode? Options: MAF sensor, TP sensor, Oxygen sensor, ECT sensor

Back

Oxygen sensor