There are four types of fuel injection used in cars today. They are throttle body injection, multi-port injection, direct injection, and __________.
Answer(s): B
The four types of fuel injection used in cars today are throttle body injection, multi-port injection, direct injection, and sequential fuel injection.
Most automobile engines are __________.
Answer(s): C
Lawn mowers and outboard engines are two-cycle. They are used wherever horsepower is needed in a lightweight package. They run very fast in order to produce power. Four-cycle engines are used in automobiles, where various conditions exist and load variations are greater. One exception is the rotary or Wankel engine, which uses a rotary design to convert pressure into rotating motion instead of using reciprocating pistons.
When a spark plug fires, it is part of the __________.
Answer(s): A
The spark plug fires, driving the piston downward to produce power. The intake stroke allows the fuel and air mixture to enter the cylinder. The compression stroke compresses the air/fuel mixture. The exhaust stroke allows the burnt gases to be removed from the cylinder.
If the universal joints are broken and the car is standing still, the car will __________.
Universal joints are needed to allow the drive shaft to flex when the car goes over a bump in the road. If the universal joints are broken, the car will be unable to move since the drive shaft will not be connected to the power source.
When the clutch is engaged on a manual transmission, the clutch pedal will be __________.
The clutch pedal is pushed to the floorboard in order to release the engine from the drive train. Once the pedal is released and spring action returns it to the upward position, the clutch is engaged and the engine is connected to the drive train again.
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