What is a measure of the amount of acid contained in water?

A) relative gravity
B) specific gravity
C) relative resistance
D) specific resistance

The atomic number of an element is the number of ______​ in the nucleus.

A) ​quarks
B) ​neutrons
C) ​protons
D) ​electrons

The rotating part of a generator is called the _____.

A) stator
B) field
C) armature
D) exciter

Ethylene glycol antifreeze _____.

A) is the base product for all OE coolants
B) is not used as the factory fill in modern vehicles
C) contains silicates and phosphates
D) all answers are correct

Imagine a water system with a holding tank, pump, and return lines. What would happen to the resistance to flow if a return path is added to the system?

A) It increases
B) It lessens
C) It stays the same

What is the purpose of the check valve in a vacuum power brake system?

A) It allows vacuum to the booster.
B) It stops the release of vacuum from the booster back to the engine.
C) Both A and B are correct
D) Neither A nor B is correct

In a motor that has a rotating magnetic field, the speed of that magnetic field is referred to as the _____.

A) rotor speed
B) stator speed
C) synchronous speed
D) slip speed

Selenium is a(n) _____.

A) conductor
B) insulator
C) semiconductor