AETT LEVEL 6

1.Which of the following engine components is responsible for opening and closing the intake and exhaust valves?

• a) Piston

• b) Crankshaft

• c) Camshaft

• d) Timing belt

2. What does the term” horsepower” represent in relation to vehicle engines?

• a) Engine efficiency

• b) Engine speed

• c) Engine power output

• d) Engine torque

3. What are the four strokes of a four-stroke engine?

• Push, power, ignite, release

• Intake, compression, power, exhaust

• Inhale, exhale, power, exhaust

• Intake, generate, power, exhaust

4. Which engine configuration consists of two banks of cylinders set at an angle to each other?

• V engine

• Flat engine

• Inline engine

• W engine

5.) What is the purpose of a turbo charger in a vehicle engine?

• To increase engine output power

• To promote fuel efficiency

• To regulate fuel flow

6.) Which of the following components converts the reciprocating motion into rotation motion in an engine?

• Timing belt

• Crankshaft

• Camshaft

• Pistons

The purpose of the carburetor if to mix air and fuel into the correct proportions.

-True or False

7. What is the purpose of an alternator in a vehicle engine?

• To charge the battery

• To regulate fuel injection

• To control exhaust emissions

• To compress the air fuel mixture

What does the acronym ”DOHC” stand for in automotive terminology?

 

• Dual Oxygen Handling Cartridge

• Dynamic Onboard Hybrid Charging

• Double Overhead Camshaft

• Differential Output Control Hub

What is the purpose of a radiator in a vehicle engine?

• To cool the engine oil

• To regulate the fuel flow

• To filter the air intake

• To dissipate the heat from the coolant