Exam 2: Basic Theories

Technician A says an accurate wheel alignment may be performed on a vehicle with worn front lower control arm bushings. Technician B says a wheel alignment should be performed before adjusting the front and rear curb riding height. Who is correct?

Technician A says when removing a coil spring from a strut, some spring tension may be left on the upper strut mount before loosening the strut rod nut. Technician B says when installing a spring compressor tool on an enamel-coated coil spring, tape the coil spring in the tool contact area. Who is correct?

An object at rest has static inertia.

When using an electronic wheel balancer what information must be entered in the balancer?

On an OBD II-equipped vehicle, how can you identify a generic chassis diagnostic trouble code?

Technician A says a dial indicator may be used to measure brake rotor thickness. Technician B says a micrometer may be used to measure brake rotor runout. Who is correct?

Provide an example of Newton's First Law of Motion in automotive theory.

Define Newton's Second Law of Motion.

As altitude increases above sea level, atmospheric pressure increases proportionally.

Technician A says service information is available on CDs or DVDs. Technician B says  automotive service information can be Web-based.  Who is correct?

When applying the principles of torque and horsepower:

Every unit in the metric system can be divided or multiplied by 10.

In many shops, technicians are compensated based on the amount of work they produce. What is this pay system called?

Thermal energy is produced by:

What are torque sticks?

When working with gases and liquids:

A dial indicator is used to torque wheel lug nuts.

List 10 general pieces of information a repair order often contains.

All of the following statements about Newton's Laws of Motion are true EXCEPT:

Chemical energy is required to move electrons through an electrical circuit.