| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.28 |
| Score | 0% | 66% |
Which of the following is not a function of a car battery?
acts as an electrical reservoir for excessive current |
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delivers current to the ignition system to start the engine |
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delivers supplemental current when the alternator can't handle high electrical system loads |
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acts as a supplemental source of energy to moderate engine performance |
The lead-acid battery is the core of the electrical system, providing current to the ignition system to start the engine as well as delivering supplemental current when the alternator can't handle high electrical system loads and acting as an electrical reservoir for excessive current.
Which of the following is the correct order for the engine stroke cycle?
intake, power, compression, exhaust |
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power, intake, compression, exhaust |
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compression, intake, power, exhaust |
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intake, compression, power, exhaust |
The stroke cycle order is intake stroke, compression stroke, power stroke, exhaust stroke.
What links each piston to the engine's crankshaft?
piston ring |
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cylinder arm |
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connecting rod |
|
halfshaft |
A connecting rod employs a wrist pin to link each piston to the engine's crankshaft.
The wheel __________ is the mounting point for the wheel and tire assembly.
hub |
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knuckle |
|
base |
|
shaft |
The wheel hub is the mounting point for the wheel and tire assembly. The wheel hub can rotate while being held stable by the steering knuckle which applies the motion of the control arms to the wheels.
Engine oil viscosity is rated using the format XW-XX with the number preceding the W indicating viscosity at __________ ℉ and the XX indicating viscosity at __________ ℃.
0, 100 |
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0, 0 |
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100, 0 |
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100, 100 |
The primary component of the lubrication system is engine oil. Engines require oil blends with different thickness (viscosity) and additives depending on their operating conditions. Viscosity is rated using the format XW-XX with the number preceding the W (winter) rating the oil’s viscosity at 0 ℉ (-17.8 ℃) and the XX indicating viscosity at 100 ℃.