| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.22 |
| Score | 0% | 64% |
Another name for the powertrain control module is the __________ control unit.
transmission |
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engine |
|
universal |
|
electrical |
The main computer or powertrain control module (PCM) uses pre-programmed software to analyze the input received from sensors and produce output signals to adjust vehicle performance and operation. (Engine control unit (ECU) is another name for the PCM.)
Coolant is circulated through the engine by the:
water pump |
|
water jacket |
|
radiator |
|
camshaft |
The water pump is driven by a belt connected to the crankshaft and ensures that coolant moves through the engine and radiator.
For inline cylinder arrangements in an engine, how are the cylinders numbered?
alternating from the front of the engine to the back |
|
sequentially from the back of the engine to the front |
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alternating from the back of the engine to the front |
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sequentially from the front of the engine to the back |
Inline cylinder arrangements number cylinders sequentially (1, 2, 3, ...) front to rear.
Waste gases from combustion are removed from the combustion chamber by the:
piston |
|
head gasket |
|
exhaust valve |
|
camshaft |
The combustion chamber is located in the cylinder head and contains the combustion of the air-fuel mixture. This mixture is delivered by an intake valve and the waste gases from combustion are removed from the combustion chamber by the exhaust valve.
__________ are made with wide gap coils of rigid steel cable and both hold the vehicle chassis up off the ground and absorb energy from wheel movement making for a smoother ride.
ignition coils |
|
suspension springs |
|
control arms |
|
shock absorbers |
Suspension springs are made with wide gap coils of rigid steel cable and both hold the vehicle chassis up off the ground and absorb energy from wheel movement making for a smoother ride.