3.5 Automotive Engine Installation Quiz

What are the preparations before installing the engine on a vehicle?

• D) Reconnecting power electrical power

• C) Installing additional components in the engine

• B) Filling the cooling system with coolant

• A) Conducting an inspection of the vehicle

What type of ozone-friendly refrigerant gas is used by vehicles for air conditioning?

• A) R12

• D) R502

• B) R22

• C) R134a

What is the function of lubricating oil in an engine?12345

• D) Controlling engine temperature

• A) Absorbing engine vibrations

• B) Preventing engine overheating

• C) Reducing friction between engine parts

What is the purpose of the cooling system in a vehicle engine?

• C) To reduce engine noise

• A) To generate power for the engine

• D) To increase fuel efficiency

• B) To maintain the engine operating temperature

What is the main function of the battery terminal in a vehicle?

• D) To control the air conditioning system

• C) To provide electrical current flow

• B) To connect the engine to the wheels

• A) To regulate the engine temperature

Why is it important to use non-water coolant in a vehicle?

• D) To improve air conditioning

• B) To prevent engine overheating

• A) To reduce engine noise

• C) To increase fuel efficiency

What is the purpose of the 3R machine in vehicle air conditioning systems?

• B) To reduce fuel consumption

• A) To increase engine power

• C) To recover and recycle refrigerant

• D) To improve engine cooling

Why is it important to prepare a repair order before performing vehicle repairs?

• B) To ensure accurate and systematic repair work

• A) To increase the cost of repairs

• D) To avoid using the correct tools

• C) To speed up the repair process

What is the function of the lubricating oil pump in an engine?12345

• D) To control engine temperature

• C) To pump oil to engine parts

• B) To reduce engine noise

• A) To absorb engine vibrations

Why is it important to align the battery cables properly in a vehicle?

• D) To regulate engine temperature

• A) To increase engine power

• B) To improve fuel efficiency

• C) To prevent current leaks and short circuits