| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.63 |
| Score | 0% | 73% |
The right front wheel of your front-wheel drive car drops into a pothole and the left front wheel doesn't lose contact with the road. Which of the following is true?
your car has a rigid axle rear suspension |
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your car has an independent front suspension |
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your car has an independent rear suspension |
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your car has a rigid axle front suspension |
An independent suspension allows the wheels on either side of an axle to move independently from each other. The fact that the left front wheel didn't move up in response to the right front wheel moving down is evidence of this.
The primary purpose of the muffler is to:
quiet exhaust |
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remove harmful gases from the exhaust |
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cool the exhaust |
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reclaim unburned fuel |
The muffler follows the catalytic converter and absorbs sound to help quiet load exhaust. It is followed by the exhaust pipe which is the final exit point for exhaust gas from the vehicle.
What provides the power necessary to start a car?
alternator |
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battery |
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spark plugs |
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powertrain control module |
The battery supplies the power necessary to start the engine when the ignition switch is is turned on.
What is the function of the head gasket?
to seal the engine block from the cylinders |
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to seal the brake assembly from external contaminants |
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to connect the transmission to the drive train |
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to seal the exhaust system from the drive train |
A head gasket is a gasket that sits between the engine block and cylinder heads to seal the cylinders to ensure maximum compression and avoid leakage of coolant or engine oil into the cylinders.
A __________ is a drive axle that extends from a transaxle or differential to one of the drive wheels.
half shaft |
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control arm |
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steering linkage |
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drive shaft |
A half shaft is a drive axle that extends from a transaxle or differential to one of the drive wheels. There are two half shafts per drive axle, one for each wheel, each doing "half" the job.