151 Servicing (Advanced)

What type of belt is used to drive an alternator?

• V-belt

• Timing belt

• Serpentine belt

• Poly-V belt

Answer explanation

Serpentine belt is used to drive an alternator. It is a single, continuous belt that runs multiple components in the engine, including the alternator.

What is the purpose of an alternator drive belt?

• To power the alternator

• To provide a tight fit for pulleys

• To increase the efficiency of the alternator

• To transfer power from the engine to the alternator

Answer explanation

The purpose of an alternator drive belt is to transfer power from the engine to the alternator, enabling the alternator to generate electricity for the vehicle's electrical system.

What are signs that an alternator drive belt needs to be replaced?

• Squealing noise

• Broken belt

• Loose belt

• All of the above

Answer explanation

All of the above signs indicate that an alternator drive belt needs to be replaced: squealing noise, broken belt, and loose belt.

What should be done to ensure proper installation of an alternator drive belt?

• Check for frayed edges

• Adjust the tension

• Lubricate the belt

• All of the above

Answer explanation

To ensure proper installation of an alternator drive belt, one should check for frayed edges, adjust the tension, and lubricate the belt. Therefore, the correct answer is 'All of the above.'

What is the most common cause of an electrical issue in a vehicle?

• Bad connection

• Faulty wiring

• Poor maintenance

• Corrosion

Answer explanation

The most common cause of an electrical issue in a vehicle is faulty wiring, as it can lead to short circuits, malfunctions, and other electrical problems.

How can you check the electrical system in a vehicle?

• Read the owner’s manual

• Test the battery

• Check for loose connections

• All of the above

Answer explanation

To check the electrical system in a vehicle, you should read the owner's manual, test the battery, and check for loose connections. Therefore, the correct answer is 'All of the above'.

What type of tool should be used to diagnose electrical problems in a vehicle?

• Multimeter

• Oscilloscope

• Wrench

• Hammer

Answer explanation

To diagnose electrical problems in a vehicle, a multimeter should be used to measure voltage, current, and resistance.

What is the first step in servicing vehicle electrics?

• Check the battery

• Inspect wiring and connections

• Replace faulty components

• Test the electrical system

Answer explanation

The first step in servicing vehicle electrics is to inspect wiring and connections, as this can often reveal the root cause of electrical issues.

When checking the braking system, what is the most important component to inspect?

• Brake pads

• Brake lines

• Brake rotors

• Brake fluid

Answer explanation

When checking the braking system, the most important component to inspect is the brake fluid as it ensures proper hydraulic pressure for the brakes to function effectively.

What type of fluid should be used in a braking system?

• Water

• Motor oil

• Power steering fluid

• Brake fluid

Answer explanation

Brake fluid should be used in a braking system as it is specifically designed to handle the high temperatures and pressures within the system.