Question 1

As heat energy is added to a liquid,the speed of its molecules increases.

Accepted Answer

A) True 
 B)False  True

Question 2

How is heat transfer by convection accomplished?

Accepted Answer

A)  Heat travels by infrared rays. 
B)  Heat travels by radio waves. 
C)  Heat travels through the surroundind air. 
D)  The coller and warmer objects are touching. 
A)  Heat travels by infrared rays. 
B)  Heat travels by radio waves. 
C)  Heat travels through the surroundind air. 
D)  The coller and warmer objects are touching. C

Question 3

Humidity refers to the amount of heat in the air.

Accepted Answer

A) True 
 B)False  False

Question 4

Heat flows from a hot object to an object containing less heat.

Accepted Answer

A) True 
 B)False

Question 5

Technician A says latent heat cannot be felt.Technician B says latent heat cannot be measured with a thermometer.Who is correct?

Accepted Answer

A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B 
A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B

Question 6

What is the heat that causes a change of state but cannot be measured on a thermometer called?

Accepted Answer

The answer of What is the heat that causes a...

Question 7

What are the three basic terms used to describe the three types of heat?

Accepted Answer

Sensible,latent,and specific heat
Sensib

Question 8

All of the following are true of voltage drops EXCEPT:

Accepted Answer

A)  Voltage drop is the conversion of electrical energy into another form of energy. 
B)  Corrosion in a circuit does not cause a voltage drop. 
C)  All of the source voltage in a circuit must be dropped. 
D)  Voltage drop can be measured with a voltmeter. 
A)  Voltage drop is the conversion of electrical energy into another form of energy. 
B)  Corrosion in a circuit does not cause a voltage drop. 
C)  All of the source voltage in a circuit must be dropped. 
D)  Voltage drop can be measured with a voltmeter.

Question 9

The metric term for pressure (psi)is

Accepted Answer

A)  Kilogram (kg). 
B)  KiloPascal (kPa). 
C)  Liter per millimeter (Lm). 
D)  Liter per centimeter (Lc). 
A)  Kilogram (kg). 
B)  KiloPascal (kPa). 
C)  Liter per millimeter (Lm). 
D)  Liter per centimeter (Lc).

Question 10

Specific heat is the same as sensible heat.

Accepted Answer

A) True 
 B)False

Question 11

Heat is removed from the body by the process of evaporation.

Accepted Answer

A) True 
 B)False

Question 12

All of the following statements about heat transfer are true,EXCEPT:

Accepted Answer

A)  Molecular motion is transmitted to molecules that have less motion. 
B)  Some of the molecules give up their energy to other molecules that have more energy. 
C)  Heat flows from matter at a higher temperature to matter at a lower temperature. 
D)  Heat never flows from low-temperature matter to high-temperature matter. 
A)  Molecular motion is transmitted to molecules that have less motion. 
B)  Some of the molecules give up their energy to other molecules that have more energy. 
C)  Heat flows from matter at a higher temperature to matter at a lower temperature. 
D)  Heat never flows from low-temperature matter to high-temperature matter.

Question 13

What are the three states of matter?

Accepted Answer

Solid,liquid,and gas
Solid,gas

Question 14

All of the following are gas laws,except:

Accepted Answer

A)  Charles' Law 
B)  Darwin's Law 
C)  Dalton's Law 
D)  Boyle's Law 
A)  Charles' Law 
B)  Darwin's Law 
C)  Dalton's Law 
D)  Boyle's Law

Question 15

Explain what happens to molecules at absolute zero (-459.67°F).

Accepted Answer

The molecu

Question 16

Technician A says sensible heat can be measured.Technician B says specific heat is the amount of heat required to change one pound of a substance by 1°F.Who is correct?

Accepted Answer

A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B 
A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B

Question 17

One British thermal unit (Btu)contains ____ calories.

Accepted Answer

A)  144 
B)  212 
C)  252 
D)  970 
A)  144 
B)  212 
C)  252 
D)  970

Question 18

Air movement increases the body's rate of cooling.

Accepted Answer

A) True 
 B)False

Question 19

Briefly define the term current.

Accepted Answer

Current is the flow or rate of

Question 20

The word latent means

Accepted Answer

A)  hot. 
B)  cold. 
C)  transfer. 
D)  hidden. 
A)  hot. 
B)  cold. 
C)  transfer. 
D)  hidden.

As heat energy is added to a liquid,the speed of its molecules increases.

How is heat transfer by convection accomplished?

Humidity refers to the amount of heat in the air.

Heat flows from a hot object to an object containing less heat.

Technician A says latent heat cannot be felt.Technician B says latent heat cannot be measured with a thermometer.Who is correct?

What is the heat that causes a change of state but cannot be measured on a thermometer called?

What are the three basic terms used to describe the three types of heat?

All of the following are true of voltage drops EXCEPT:

The metric term for pressure (psi)is

Specific heat is the same as sensible heat.

Heat is removed from the body by the process of evaporation.

All of the following statements about heat transfer are true,EXCEPT:

What are the three states of matter?

All of the following are gas laws,except:

Explain what happens to molecules at absolute zero (-459.67°F).

Technician A says sensible heat can be measured.Technician B says specific heat is the amount of heat required to change one pound of a substance by 1°F.Who is correct?

One British thermal unit (Btu)contains ____ calories.

Air movement increases the body's rate of cooling.

Briefly define the term current.

The word latent means

Heating and Air Conditioning - History and the Environment

Engine Cooling and Comfort Heating Systemsdiagnosis and Service of Engine Cooling and Comfort Heating Systems

Air-Conditioning System Operating Principlesthe Manifold and Gauge Set

Refrigerant System Componentsservicing System Components

Refrigerant System Servicing and Testingair-Conditioning System Servicing and Testing

Diagnosis of the Refrigeration System

Compressors and Clutches

Case and Duct Systems

System Controlsdiagnosis and Service of System Controls

Retrofit and Future Trends

Extenssion 1: Shop Safety

Extenssion 2: Typical Shop Procedures and Tools

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Exam 2: Temperature and Pressure Fundamentals

As heat energy is added to a liquid,the speed of its molecules increases.

How is heat transfer by convection accomplished?

Humidity refers to the amount of heat in the air.

Heat flows from a hot object to an object containing less heat.

Technician A says latent heat cannot be felt.Technician B says latent heat cannot be measured with a thermometer.Who is correct?

What is the heat that causes a change of state but cannot be measured on a thermometer called?

What are the three basic terms used to describe the three types of heat?

All of the following are true of voltage drops EXCEPT:

The metric term for pressure (psi)is

Specific heat is the same as sensible heat.

Heat is removed from the body by the process of evaporation.

All of the following statements about heat transfer are true,EXCEPT:

What are the three states of matter?

All of the following are gas laws,except:

Explain what happens to molecules at absolute zero (-459.67°F).

Technician A says sensible heat can be measured.Technician B says specific heat is the amount of heat required to change one pound of a substance by 1°F.Who is correct?

One British thermal unit (Btu)contains ____ calories.

Air movement increases the body's rate of cooling.

Briefly define the term current.

The word latent means

Heating and Air Conditioning - History and the Environment

Engine Cooling and Comfort Heating Systemsdiagnosis and Service of Engine Cooling and Comfort Heating Systems

Air-Conditioning System Operating Principlesthe Manifold and Gauge Set

Refrigerant System Componentsservicing System Components

Refrigerant System Servicing and Testingair-Conditioning System Servicing and Testing

Diagnosis of the Refrigeration System

Compressors and Clutches

Case and Duct Systems

System Controlsdiagnosis and Service of System Controls

Retrofit and Future Trends

Extenssion 1: Shop Safety

Extenssion 2: Typical Shop Procedures and Tools

Filters