Auto

What is the primary function of a car's transmission? A. to transfer turning motion from the steering wheel to the tie rods B. to transfer turning motion from the steering wheel to the universal joints C. to transfer force from the engine to the drive wheels D. to transfer kinetic energy from the car's wheels to the battery for storage

to transfer force from the engine to the drive wheels

In an internal combustion engine, the piston is connected to the connecting rod via the A. piston ring B. crankshaft C. wrist pin D. camshaft

wrist pin

The image below describes which stroke in a four-stroke cycle? A. intake B. compression C. power D. exhaust

intake

Which of the following automotive parts is typically located closest to the tailpipe? A. muffler B. catalytic converter C. exhaust manifold D. exhaust header

muffler

A ball joint is a part of which of the following vehicle systems? A. lubrication system B. exhaust system C. ignition system D. steering system

steering system

What provides power to a car's alternator while a car is in motion? A. the starter motor B. heat energy from the exhaust manifold C. the motion of the crankshaft D. voltage from the battery

the motion of the crankshaft

Which of the following will likely result in total engine stoppage and require expensive repairs? A. a spark plug stops firing B. a U-joint malfunctions C. the brake calipers malfunction D. the timing belt breaks

the timing belt breaks

Why is flux is important in the soldering process? A. Flux helps to clean the surfaces being joined. B. Flux acts as an adhesive to join two surfaces. C. Flux is part of a chemical reaction that creates heat. D. Flux helps to conduct electricity during the process.

Flux helps to clean the surfaces being joined.

Which of the following best describes the function of a car's distributor? A. It distributes oil to all the inlets of the engine's fuel injectors. B. It distributes voltage to the spark plugs to allow the cylinders to the fire. C. It distributes signals to the actuator to control vehicle functions. D. It distributes air to the intake ports on the cylinder heads.

It distributes voltage to the spark plugs to allow the cylinders to the fire.

Which of the following is NOT true of exhaust manifolds that have been "tuned," or carefully adjusted, to match the design of the engine? A. They can improve efficiency compared with traditional exhaust manifolds. B. They are often more fragile than traditional exhaust manifolds. C. They restrict the flow of gases more than traditional exhaust manifolds do. D. They are also known as header pipes.

They restrict the flow of gases more than traditional exhaust manifolds do.

Randolph needs to loosen a bolt that he knows to have been overly tightened. He can exert the greatest torque force by using which of the following tools? A. a box end wrench B. an open end wrench C. an adjustable wrench D. slip-joint pliers

a box end wrench

Which of the following 20th-century innovations can actually increase stopping distances under some conditions? A. hydraulic brakes B. brake booster C. antilock brakes D. brake calipers

antilock brakes

In a modern vehicle, excess electrical current in the electrical system is dealt with by A. being sent to "ground" via the car's tires B. being sent back to the battery, which can store it C. being sent to the shock absorbers to improve engine speed D. being transmitted directly to the exhaust system for emission

being sent back to the battery, which can store it

Powertrain control module is another name for a vehicle's A. steering column B. electronic ignition system C. transmission D. computer

computer