Electricity
How many watts of electrical energy are equal to 1 hp?
746
The volume occupied by 1 pound of a fluid is known as
specific volume
Heat that is transferred by moving in a medium such as air or water is known as
convection
An increase in sensible heat causes
a higher thermometer reading.
What can happen when oil is mixed with oxygen under pressure?
An explosion can occur
The time rate of doing work is called
power
The density of a substance compared to the density of water is known as
specific gravity
Latent heat causes
a change of state.
One British thermal unit will raise the temperature of
1 pound of water by 1°F.
With respect to fire extinguishers, the acronym PASS stands for
Pull, Aim, Squeeze, Sweep
If a compressor motor experiences a burnout, which of the following can be produced?
Acid
A barometer is used to measure
atmospheric pressure.
Heat that is transferred through space without heating the space and that heats the first solid object that it strikes is known as
radiation.
Whose law states that the volume of a gas varies inversely with the absolute pressure, as long as the temperature remains constant?
Boyle’s
A Class A fire extinguisher is to be used on which type of fire?
Paper
Which of the following factors will most directly determine the severity of an electric shock?
Current flow through the individual
Specific heat is the amount of heat necessary to raise the temperature of 1 lb of which substance by 1°F?
Any substance
Heat transfer from molecule to molecule is known as
conduction
Whose law states that the total pressure of a confined mixture of gases is the sum of the pressures of each of the gases in the mixture?
Dalton’s
A confined space can be defined as an area or place that
is not intended for human occupancy.
The ground wire on most systems is commonly color-coded
green.
Vapor exerts pressure in what direction?
Outward, upward, and downward
What unit of energy does the power company charge the consumer for?
Kilowatt-hour
Atmospheric pressure at sea level under standard conditions is _____ inches of mercury (Hg) or _____ pounds per square inch absolute (psia).
29.92, 14.696
Which organ is most likely to be affected by electric shock?
Heart