Question 1

What are some of the factors that contribute to the greenhouse effect and climate change?

Accepted Answer

The greenhouse effect or global warming,

Question 2

What is the main ingredient of most automotive coolants?

Accepted Answer

The answer of What is the main ingredient of most...

Question 3

The odor of a gas is not an indication of its toxicity.

Accepted Answer

A) True 
 B)False

Question 4

Name some effects of ultraviolet radiation.

Accepted Answer

Ultraviolet radiation can be damaging to

Question 5

The Clean Air Act is being discussed.Technician A says the Montreal Protocol is one of the results of the Clean Air Act.Technician B says it gave the EPA authority to control refrigerants in order to protect the environment.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

No special equipment is required to service R-134a (HFC-134a)refrigerant systems.

Accepted Answer

A) True 
 B)False

Question 7

Technician A says that it is safe to release R-12 refrigerant into the atmosphere.Technician B says as sunlight strikes CFC molecules in the statosphere chlorine will be released.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 8

The EPA is a federal regulatory agency.

Accepted Answer

A) True 
 B)False

Question 9

Stratospheric ozone absorbs about ____ percent of incoming solar radiation.

Accepted Answer

A)  3 
B)  10 
C)  21 
D)  78 
A)  3 
B)  10 
C)  21 
D)  78

Question 10

What does SNAP stand for?

Accepted Answer

Significan

Question 11

Technician A says air conditioning is the process of controlling the passenger compartment comfort level.Technician B says the fluid that circulates through an air conditioning system is referred to generically as refrigerant.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 12

Explain why ozone in the atmosphere is necessary for life on earth.

Accepted Answer

Ozone absorbs ultrav

Question 13

What is the air we breathe made up of?

Accepted Answer

A)  51 percent oxygen and 49 percernt nitrogen 
B)  21 percent oxygen and 78 percernt nitrogen 
C)  21 percent nitrogen and 78 percernt oxygen 
D)  12 percent oxygen and 88 percernt nitrogen 
A)  51 percent oxygen and 49 percernt nitrogen 
B)  21 percent oxygen and 78 percernt nitrogen 
C)  21 percent nitrogen and 78 percernt oxygen 
D)  12 percent oxygen and 88 percernt nitrogen

Question 14

Most ozone is formed over the earth's equator.

Accepted Answer

A) True 
 B)False

Question 15

Technician A says HFC-134a (R-134a)tanks are designed to hold a specific amount of refrigerant at a specific temperature.Technician B says overfilling the tank could cause it to burst at room temperature.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 16

Carbon Dioxide is considered a greenhouse gas that may contribute to global warming.

Accepted Answer

A) True 
 B)False

Question 17

Explain why carbon dioxide in the atmosphere is necessary for life on earth.

Accepted Answer

Carbon dioxide absorbs infrare

Question 18

The Clean Air Act became law in

Accepted Answer

A)  1985. 
B)  1970. 
C)  1980. 
D)  1990. 
A)  1985. 
B)  1970. 
C)  1980. 
D)  1990.

Question 19

Hydrostatic pressure is being discussed.Technician A says the pressure in a tank will increase as the liquid cools.Technician B says the containment system (tanks and lines)must withstand the changing pressures created as the liquid changes states.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 20

What does the word toxicity mean?

Accepted Answer

The answer of What does the word toxicity mean?...

What are some of the factors that contribute to the greenhouse effect and climate change?

What is the main ingredient of most automotive coolants?

The odor of a gas is not an indication of its toxicity.

Name some effects of ultraviolet radiation.

The Clean Air Act is being discussed.Technician A says the Montreal Protocol is one of the results of the Clean Air Act.Technician B says it gave the EPA authority to control refrigerants in order to protect the environment.Who is correct?

No special equipment is required to service R-134a (HFC-134a)refrigerant systems.

Technician A says that it is safe to release R-12 refrigerant into the atmosphere.Technician B says as sunlight strikes CFC molecules in the statosphere chlorine will be released.Who is correct?

The EPA is a federal regulatory agency.

Stratospheric ozone absorbs about ____ percent of incoming solar radiation.

What does SNAP stand for?

Technician A says air conditioning is the process of controlling the passenger compartment comfort level.Technician B says the fluid that circulates through an air conditioning system is referred to generically as refrigerant.Who is correct?

Explain why ozone in the atmosphere is necessary for life on earth.

What is the air we breathe made up of?

Most ozone is formed over the earth's equator.

Technician A says HFC-134a (R-134a)tanks are designed to hold a specific amount of refrigerant at a specific temperature.Technician B says overfilling the tank could cause it to burst at room temperature.Who is correct?

Carbon Dioxide is considered a greenhouse gas that may contribute to global warming.

Explain why carbon dioxide in the atmosphere is necessary for life on earth.

The Clean Air Act became law in

Hydrostatic pressure is being discussed.Technician A says the pressure in a tank will increase as the liquid cools.Technician B says the containment system (tanks and lines)must withstand the changing pressures created as the liquid changes states.Who is correct?

What does the word toxicity mean?

Temperature and Pressure Fundamentals

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

Exam 1: Heating and Air Conditioning - History and the Environment

What are some of the factors that contribute to the greenhouse effect and climate change?

What is the main ingredient of most automotive coolants?

The odor of a gas is not an indication of its toxicity.

Name some effects of ultraviolet radiation.

The Clean Air Act is being discussed.Technician A says the Montreal Protocol is one of the results of the Clean Air Act.Technician B says it gave the EPA authority to control refrigerants in order to protect the environment.Who is correct?

No special equipment is required to service R-134a (HFC-134a)refrigerant systems.

Technician A says that it is safe to release R-12 refrigerant into the atmosphere.Technician B says as sunlight strikes CFC molecules in the statosphere chlorine will be released.Who is correct?

The EPA is a federal regulatory agency.

Stratospheric ozone absorbs about ____ percent of incoming solar radiation.

What does SNAP stand for?

Technician A says air conditioning is the process of controlling the passenger compartment comfort level.Technician B says the fluid that circulates through an air conditioning system is referred to generically as refrigerant.Who is correct?

Explain why ozone in the atmosphere is necessary for life on earth.

What is the air we breathe made up of?

Most ozone is formed over the earth's equator.

Technician A says HFC-134a (R-134a)tanks are designed to hold a specific amount of refrigerant at a specific temperature.Technician B says overfilling the tank could cause it to burst at room temperature.Who is correct?

Carbon Dioxide is considered a greenhouse gas that may contribute to global warming.

Explain why carbon dioxide in the atmosphere is necessary for life on earth.

The Clean Air Act became law in

Hydrostatic pressure is being discussed.Technician A says the pressure in a tank will increase as the liquid cools.Technician B says the containment system (tanks and lines)must withstand the changing pressures created as the liquid changes states.Who is correct?

What does the word toxicity mean?

Temperature and Pressure Fundamentals

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