Deck 1: Matter, Energy, and Heat Basics

Question 1

On the Fahrenheit scale, absolute zero, or the temperature at which all molecular movement stops, is ____ degrees.

A) 0
B) -273
C) -460
D) -273

Answer 1

C

Question 2

What is the correct definition of a gas?

A) Anything that has weight and mass and occupies space.
B) A substance that has definite volume and sufficient mechanical strength to maintain a constant shape.
C) A substance that has neither definite volume nor definite shape.
D) A substance that has definite volume but does not have definite shapes.

Answer 2

C

Question 3

On a psig gauge, "0" is actually ____.

A) 0 psia
B) 14.7 psia
C) 12 pisa
D) -14.7 psia

Answer 3

B

Question 4

What is correct definition of a liquid?

A) Anything that has weight and mass and occupies space.
B) A substance that has definite volume and sufficient mechanical strength to maintain a constant shape.
C) A substance that has neither definite volume nor definite shape.
D) A substance that has definite volume but does not have definite shapes.

Question 5

On a Fahrenheit scale, water boils at ____ degrees and freezes at ____ degrees.

A) 100 and 0
B) 212 and 32
C) 220 and 30
D) 150 and 0

Question 6

Vacuum is measured in which increments?

A) Inches of Hg
B) psig
C) psia
D) cfm

Question 7

Which description best describes heat transfer by radiation?

A) Water heated in a pot on an electric stove element.
B) Heat rising of a baseboard heater.
C) Heat from the sun.
D) All of the above.

Question 8

Changing 32 degree water to 32 degree ice involves which type of heat?

A) Latent
B) Sensible
C) Both
D) Neither

Question 9

What is the correct definition of matter?

A) Anything that has weight and mass and occupies space.
B) A substance that has definite volume and sufficient mechanical strength to maintain a constant shape.
C) A substance that has neither definite volume nor definite shape.
D) A substance that has definite volume but does not have definite shapes.

Question 10

Atmospheric pressure at sea level is ____.

A) 0 psia
B) 14.7 psia
C) 12 psig
D) -14.7 psig

Question 11

Which description best describes heat transfer by convection ?

A) A cooking pot heated on an electric stove element.
B) Heat rising from a baseboard heater.
C) Heat from the sun.
D) All of the above.

Question 12

What is correct definition of a solid?

A) Anything that has weight and mass and occupies space.
B) A substance that has definite volume and sufficient mechanical strength to maintain a constant shape.
C) A substance that has neither definite volume nor definite shape.
D) A substance that has definite volume but does not have definite shape.

Question 13

On a Celsius scale, water boils at ____ degrees and freezes at ____ degrees.

A) 100 and 0
B) 212 and 32
C) 220 and 30
D) 150 and 0

Question 14

The ability or capacity to do work is the description for which term?

A) Energy
B) Power
C) Horsepower
D) None of the above

Question 15

____ is the rate of doing work.

A) Energy
B) Power
C) Horsepower
D) Work

Question 16

Which description best describes heat transfer by conduction?

A) A cooking pot heated on an electric stove element.
B) Heat rising of a baseboard heater.
C) Heat from the sun.
D) All of the above.

Question 17

What is the correct description of Dalton's law?

A) There is a definite relationship between the pressure and volume of a gas if the temperature is kept constant.
B) There is a definite relationship between the volume and temperature of a gas if the pressure is kept constant.
C) The total pressure of a confined mixture of different gases is equal to the sum of the pressure of each gas in the mixture.
D) Energy can be changed in form but cannot be created or destroyed.

Question 18

What is the correct description of Boyle's law?

A) There is a definite relationship between the pressure and volume of a gas if the temperature is kept constant.
B) There is a definite relationship between the volume and temperature of a gas if the pressure is kept constant.
C) The total pressure of a confined mixture of different gases is equal to the sum of the pressure of each gas in the mixture.
D) Energy can be changed in form but cannot be created or destroyed.

Question 19

The force exerted on an object times the distance the object is moved, measured in foot-pounds, is the definition of which term?

A) Energy
B) Power
C) Horsepower
D) Work

Question 20

What is the correct description of Charles' law?

A) There is a definite relationship between the pressure and volume of a gas if the temperature is kept constant.
B) There is a definite relationship between the volume and temperature of a gas if the pressure is kept constant.
C) The total pressure of a confined mixture of different gases is equal to the sum of the pressure of each gas in the mixture.
D) Energy can be changed in form but cannot be created or destroyed.

Question 21

How Btus must be removed from one pound of 32 degree water to change it to one pound of 32 degree ice?

A) 16
B) 144
C) 180
D) 970

Question 22

The amount of power consumed is directly related to the amount of work done. If we can reduce the amount of work required to heat or cool a structure, we will __________.

A) generate power
B) maximize power
C) save power
D) waste power

Question 23

What is the definition of a Btu?

Question 24

What does the acronym Btu stand for when referring to heat transfer?

Question 25

List the three laws of physics.

Question 26

Ineffective heat transfer can result in __________.

A) poor indoor air quality
B) poor outdoor air quality
C) reduced power consumption
D) increased atmospheric pressure

Question 27

Approximately how many Btus does it take to change one pound of 212 degree water into one pound of 212 degree steam?

A) 16
B) 144
C) 180
D) 970