Automotive Fluids and Suspension Systems Test

What is the primary function of engine oil?

• To cool the engine

• To lubricate engine parts and reduce friction

• To clean the engine

• To increase fuel efficiency

Which of the following is NOT a common type of engine oil?

• Synthetic

• Semi-synthetic

• Mineral

• Lithium-based

At what interval is it generally recommended to change engine oil?

• Every 1,000 miles

• Every 3,000 to 5,000 miles

• Every 10,000 to 15,000 miles

• Every 50,000 miles

Which fluid is responsible for absorbing heat from the engine and preventing overheating?

• Transmission fluid

• Brake fluid

• Coolant (antifreeze)

• Power steering fluid

What is the main purpose of brake fluid?

• To clean the braking system

• To lubricate brake components

• To transmit force from the brake pedal to the braking components

• To cool the brake system

Which type of brake fluid is most commonly used in modern vehicles?

• DOT 3

• DOT 4

• DOT 5

• DOT 6

What type of fluid is used in a vehicle's power steering system?

• Automatic transmission fluid (ATF)

• Engine oil

• Brake fluid

• Power steering fluid

What is the primary role of differential fluid?

• To keep the brakes cool

• To lubricate the gears in the differential

• To prevent fuel leaks

• To clean the engine

Which of the following is a sign that engine oil may need to be changed?

• Decreased engine power

• Oil color is dark and dirty

• Low tire pressure

• Increased fuel consumption

How can you tell if your car has a coolant leak?

• By checking the color of the oil

• By noticing the smell of gasoline

• By the temperature gauge reading in the red zone or overheating

• By the exhaust smoke color