Technician A says that the research octane number is higher than the motor octane number. Technician B says that the octane rating posted on fuel pumps is an average of the two ratings. Which technician is correct?

When testing a diode with the multimeter set on “Diode Check,” a reading of 0.6 volts is obtained. This indicates that the diode being tested is a ____________.

Boost pressure is generally measured in ___________.

Which step should be performed last when diagnosing an engine performance problem?

Overfilling the fuel tank can damage which component?

A good reading for a cylinder leakage test would be __________.

A meter used to measure amperes is called ________.

One horsepower is how many watts?

A rotating force is called ________.

E85 means that the fuel is made from ___________.