Engine components

What is the primary function of a fuel injector in an engine?

• Sprays gasoline into the engine

• Ignites the air-fuel mixture

• Lubricates engine components

• Cools the engine

Which component connects the piston to the crankshaft?

• Wrist pin

• Crankshaft bearing

• Connecting rod

• Rod cap

What is the role of the oil control ring on a piston?

• Forms a tight seal for compression

• Distributes a thin layer of oil on the cylinder wall

• Ignites the air-fuel mixture

• Pushes exhaust gases out

What is the primary function of the flywheel in an engine?

• To power the oil pump

• To smooth out the engine's rotational motion

• To house the crankshaft bearings

• To connect to the camshaft

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Which of the following components are linked together by the timing belt?

• Cam gear, crankshaft gear, and water pump gear

• Alternator, water pump, and harmonic balancer

• Spark plugs, distributor, and ignition coil

• Air filter, throttle body, and intake manifold

What is the main purpose of the timing belt cover?

• To cool the timing belt system

• To prevent dust and debris from entering the timing belt system

• To increase the tension of the timing belt

• To lubricate the timing belt components

What component is responsible for increasing the 12-volt current from the car battery to approximately 40,000 volts to create a spark for combustion?

• Alternator

• Distributor

• Ignition coil

• Spark plug wire

What is the primary function of the alternator in an engine?

• To ignite the air-fuel mixture

• To regulate the engine's temperature

• To keep the car battery charged

• To control the amount of air entering the engine