Exam 3: Basic Theories and Math

Engine power is measured in _____.

All matter exists as ______.

Calculate the compression ratio of an engine that has a cylinder volume of 450cc and a chamber volume of 52cc.

What is specific gravity?

Which of the following laws pertains to the behavior of gases?

A brake drum is stamped Maximum Diameter 203.5mm. What is the maximum diameter in inches (to three decimal places) that the drum can be used?

The unit of frequency is ____________________.

The coefficient of drag (Cd) is _____.

Engine efficiency is expressed as a ____________________.

When the weight of a wheel and tire assembly is distributed equally around the center of wheel rotation, the wheel and tire have proper dynamic balance.

Conduction is the transfer of heat by movement of a heated object.

Technician A says Newton's first law of motion is the law of inertia. Technician B says Newton's second law says for every action, there is an equal and opposite reaction. Who is correct?

The most common unit of vacuum is _____.

What is an alloy?

Pascal constructed the first known hydraulic device.

Sound is being discussed. Technician A says a decibel is a measurement of the intensity of a sound. Technician B says the pitch of a sound is based on its frequency. Who is correct?

When ice is warmed to 32°F, the heat needed to convert the ice into water that does not raise the temperature of the water is called _____ heat.

Curb weight is the total weight of the vehicle including the driver, passengers, and cargo.

Which of the following objects contain heat?

Torque is expressed in pounds per foot [lbs./ft.].