Exam 4: Automotive Systems

The condenser in an air-conditioning system is typically located under the dashboard inside the passenger compartment.

Which type of engine is classified as internal combustion?

A crossover vehicle is typically a cross between a station wagon and a SUV.

The cylinder ____________________ fits on top of the cylinder block to close off and seal the top of the cylinders.

Many hybrid vehicles rely exclusively on the electric motor(s)during slow-speed operation.

Unibody construction is typical in most modern trucks.

Automatic transmissions are being discussed. Technician A says they typically use planetary gearsets. Technician B says they always come equipped with a transfer case. Who is correct?

The ____________________ manifold carries exhaust gases away from the cylinders.

What is the function of the ABS brake system?

The compressor in an air-conditioning system can be turned on and off by means of an electromagnetic ____________________.

What is the purpose of the PCV system?

A recirculating ball-type design is associated with the ______ system.

Hybrid vehicles are being discussed. Technician A says the hybrid batteries are recharged by the engine during normal driving. Technician B say the batteries are recharged when the brakes are applied as the vehicle slows down. Who is correct?

A torsion bar is associated with the ______.

Which emission control system introduces exhaust gases into the intake air to reduce the formation of NO _X (oxides of nitrogen)in the combustion chamber?

Describe the purpose of the evaporative emission control system.

What is the purpose of the valve train?

Which of the following is NOT one of the strokes of a four-cycle engine?

Identify three harmful engine exhaust pollutants.

Describe the purpose of a vehicle's lubrication system.