| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.82 |
| Score | 0% | 56% |
Which of the following receive signals from the powertrain control module (PCM) and carry out its instructions?
valves |
|
sensors |
|
joints |
|
actuators |
Actuators receive signals from the PCM and carry out adjustments needed based on the data the PCM received from the sensors.
Which of the following is a relay that connects the battery to the starter motor when the ignition key is turned?
solenoid |
|
alternator |
|
actuator |
|
ignition coil |
The cylindrical solenoid is a relay that safely connects the high amperage battery to the starter motor when the ignition key is turned. This current then allows the engine to turn at a high enough speed to start.
Another name for a reciprocating engine is a(n):
piston engine |
|
external combustion engine |
|
internal combustion engine |
|
cylinder engine |
A reciprocating engine is an engine whose crankshaft is turned by pistons moving up and down in a cylinder.
Which of the following is not a component in the engine lubrication system?
pressure relief valve |
|
differential |
|
pickup tube |
|
oil filter |
In engine lubrication, oil remains in the oil pan until the engine is turned on. It then gets sucked up the pickup tube by the oil pump and pressurized. This pressure is moderated by the pressure relief valve and the oil is fed through the oil filter into the engine to lubricate it.
The fuel injector is regulated by the __________ which is the main computer that controls engine and transmission functions.
transmission control module |
|
vehicle control module |
|
computer control module |
|
powertrain control module |
The fuel injector sprays fuel into the air stream that's being fed into the cylinder head via the intake valve. The timing and amount of fuel are regulated by the powertrain control module (PCM) which is the main computer that controls engine and transmission functions.