Exam 4: Automotive Systems

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

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

Steering systems are being discussed. Technician A says most passenger cars use a recirculating ball-type mechanism. Technician B says most pickup trucks and SUVs use a rack-and-pinion mechanism. Who is correct?

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

Define internal combustion.

Technician A says liquid cooling an engine maintains a constant operating temperature. Technician B says that air cooling lets the engine operate more efficiently. Who is correct?

A transaxle is a transmission that does not have a differential.

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

The nuts that hold the tire and rim to the axle flange are called ____________________ nuts.

Identify three harmful engine exhaust pollutants.

Henry Ford's factory was the first to produce automobiles for sale to the public.

CAFE refers to "car average federal emissions."

A(n) ____________________ controls the movement of the engine's valves.

Engine power is transferred to an automatic transmission through a ______.

OBD II systems monitor ____________________ and related components.

Technician A says cooling system pressure is controlled by the radiator cap. Technician B says cooling system pressure is controlled by the thermostat. Who is correct?

CAFE is being discussed. Technician A says it refers to a vehicle's emissions level. Technician B says it stands for Corporate Average Federal Emissions. Who is correct?

Gasoline-powered cars have been around for over 100 years.

OBD II systems are being discussed. Technician A says the system can detect problems even before the driver is aware of a drivability problem. Technician B says when a problem is detected, the system will store a diagnostic trouble code in the vehicle's computer's memory. Who is correct?

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?