Exam 4: Automotive Systems

The motion of the piston and the rotation of the crankshaft is monitored by the _____ position sensor.

Technician A says a torsion bar is a type of shock absorber. Technician B says shock absorbers slow the upward and downward movement of the vehicle after a bump. Who is correct?

The ____________________ manifold delivers a mixture of air and fuel to the intake ports.

Coolant is a mixture of antifreeze and ____________________.

Air-cooled engines are not generally used on modern cars because it is very difficult to maintain constant temperatures at the cylinders. If the cylinder temperature is not accurately controlled, the engine will not run efficiently.

Modern engines do not use a distributor; instead they have one ignition coil _____.

Describe how a vehicle's cooling system works.

CAFE refers to "car average federal emissions."

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

In body-over-frame construction, the body is supported to the frame by large rubber mounts.

The piston is connected to the crankshaft by a(n)____________________.

Identify the nine major components of an air-conditioning system.

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

How does CAFE influence today's vehicles?

Which one of the following is NOT a function of the exhaust system?

Which of the following components is not a part of an air-conditioning system?

OBD II systems monitor ____________________ and related components.

Hybrid vehicles are being discussed. Technician A says a hybrid can run on electric power or on the internal combustion motor, but never on both. Technician B says the internal combustion engines used in hybrids are specially designed to be assisted by electric power and as a result are more fuel efficient and cleaner than conventional engines. Who is correct?

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

On a vehicle with a manual transmission, the clutch assembly is connected to the ______.