Unlock document.
This document is partially blurred.
Unlock all pages and 1 million more documents.
Get Access
Exam
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.
1)
1)
In the modern refrigeration cycle, the compressor:
A)
Increases the pressure of the liquid refrigerant so that it will circulate through the system.
B)
Transfers heat to the outdoor air.
C)
Pumps low-pressure, low-temperature vapor to high-pressure, high-temperature vapor.
D)
Reduces the pressure of the liquid from the condenser to the evaporator.
Answer:
A
Explanation:
A)
B)
C)
D)
2)
2)
Who is RSES?
A)
It is an organization devoted to educating HVACR technicians.
B)
It is dedicated to engineering of HVACR systems and application.
C)
It represents over 90% of the HVACR manufacturers.
D)
It writes most government mechanical and electrical codes.
Answer:
A
Explanation:
A)
B)
C)
D)
3)
3)
Freezing food slowly:
A)
Preserves the food's taste.
B)
Was developed by Clarence Birdseye.
C)
Forms large ice crystals that break the cell walls of the food.
D)
Preserves the food's nutritious value.
Answer:
C
Explanation:
A)
B)
C)
D)
1
4)
4)
Residential heating systems typically range from:
A)
75,000 BTU to 125,000 BTU.
B)
100,000 BTU to 120,000 BTU.
C)
75,000 BTU to 200,000 BTU.
D)
50,000 BTU to 150,000 BTU.
Answer:
D
Explanation:
A)
B)
C)
D)
5)
5)
Commercial and industrial refrigeration systems:
A)
Refer to retail food and cold-storage equipment and facilities.
B)
Use three-phase equipment only.
C)
Are used only in supermarkets.
D)
Are only used in production facilities.
Answer:
A
Explanation:
A)
B)
C)
D)
6)
6)
Who developed the quick freezing process for preserving food?
A)
Carter Stanfield
B)
Dave Lennox
C)
Willis Carrier
D)
Clarence Birdseye
Answer:
D
Explanation:
A)
B)
C)
D)
7)
7)
HVACR technicians must be certified by:
A)
The American Society of Heating, Refrigeration, and Air.
B)
The American Society of Heating, Refrigeration, and Air Conditioning Engineers
(ASHRAE).
C)
An Environmental Protection Agency (EPA) certified testing organization.
D)
The Air Conditioning, Heating, and Refrigeration Institute (AHRI).
Answer:
C
Explanation:
A)
B)
C)
D)
2
8)
8)
What does AHRI do?
A)
It is an organization devoted to educating HVACR technicians.
B)
It represents over 90% of the HVACR manufacturers.
C)
It writes most government mechanical and electrical codes.
D)
It is dedicated to engineering of HVACR systems and application.
Answer:
B
Explanation:
A)
B)
C)
D)
9)
9)
For a building to be properly ventilated:
A)
Air must be able to flow and exchange properly throughout the building space.
B)
Vents should always be installed from the sides of a building structure.
C)
A vent hole must be installed in the center of a building space.
D)
Air must be ducted from the floor to the ceiling.
Answer:
A
Explanation:
A)
B)
C)
D)
10)
10)
The United States Congress passed the Clean Air Act in:
A)
1990.
B)
1994.
C)
2000.
D)
1995.
Answer:
A
Explanation:
A)
B)
C)
D)
11)
11)
Who is often cited for the development of modern air conditioning?
A)
John Gorrie
B)
David Skaves
C)
Willis Carrier
D)
Dave Lennox
Answer:
C
Explanation:
A)
B)
C)
D)
3
12)
12)
Which method of freezing preserves the quality and taste of food?
A)
Quick freezing
B)
The speed is determined by dividing the weight by the specific gravity of the food.
C)
Any speed is fine because frozen is frozen.
D)
Slow, natural freezing
Answer:
A
Explanation:
A)
B)
C)
D)
13)
13)
Which job would most likely NOT be open to a technician with a criminal background?
A)
New construction installation technician
B)
Systems designer
C)
Commercial installation technician
D)
Residential service technician
Answer:
D
Explanation:
A)
B)
C)
D)
14)
14)
Most consumption of electricity and natural gas is used for:
A)
Heating and cooling.
B)
Residential lighting.
C)
Commercial and industrial lighting.
D)
Military operations.
Answer:
A
Explanation:
A)
B)
C)
D)
15)
15)
The majority of refrigeration systems used for domestic, commercial, and industrial applications
are:
A)
Centrifugal vapor condensing systems.
B)
Mechanical vapor condensing systems.
C)
Mechanical vapor compression systems.
D)
Condensing heat pump systems.
Answer:
C
Explanation:
A)
B)
C)
D)
4
16)
16)
The main divisions of the HVACR industry include:
A)
Cooling, heating, ventilating, or refrigerating specific spaces.
B)
Air conditioning, heating, or refrigerating industrial building structures.
C)
Ventilating and cooling commercial building structures.
D)
Heating and cooling residential building structures.
Answer:
D
Explanation:
A)
B)
C)
D)
17)
17)
Environmental heating and air conditioning refers to:
A)
Controlling air temperature, humidity, circulation, and cleanliness.
B)
Managing the air outside by reducing toxins and pollutants.
C)
Cooling the air, food products, and industrial machinery.
D)
Cooling and heating homes and offices.
Answer:
A
Explanation:
A)
B)
C)
D)
18)
18)
Why does food that is frozen quickly taste better than food that is frozen slowly?
A)
Adiabatic rehydration
B)
Molecular recombination
C)
Larger ice crystals are formed.
D)
Smaller ice crystals are formed.
Answer:
D
Explanation:
A)
B)
C)
D)
19)
19)
Residential central heating and cooling systems became popular in:
A)
The mid 1970s.
B)
The late 1960s.
C)
The late 1950s.
D)
The late 1970s.
Answer:
B
Explanation:
A)
B)
C)
D)
5
20)
20)
The difference between residential heating and cooling systems and commercial/industrial
heating, cooling, or refrigerating facilities is:
A)
The number of people that occupy the building or facility.
B)
The size of the building or facility.
C)
The amount of energy the building or facility uses.
D)
Whether the equipment or system is in a home or in a business.
Answer:
D
Explanation:
A)
B)
C)
D)
21)
21)
The first air-conditioning system was patented in 1844 by:
A)
Thomas Edison.
B)
Benjamin Franklin.
C)
John Gorrie.
D)
Willis Carrier.
Answer:
C
Explanation:
A)
B)
C)
D)
22)
22)
Why do many HVACR jobs now require a criminal background check?
A)
To look for a job applicant's high school grades
B)
To determine what your Social Security number and address are
C)
To assess potential job applicants' mechanical abilities
D)
To protect the public from dangerous individuals
Answer:
D
Explanation:
A)
B)
C)
D)
23)
23)
Producing ice began over 3,000 years ago using the:
A)
Pressure-temperature method.
B)
Distillation method.
C)
Mechanical vaporization method.
D)
Water evaporation method.
Answer:
D
Explanation:
A)
B)
C)
D)
6
24)
24)
Why is the capacity of air conditioning units stated in tons?
A)
Because early cooling used tons of ice.
B)
Ton is an acronym for "total output nominal" rating.
C)
Air conditioners are not rated in tons.
D)
Because the unit capacity is directly related to its weight.
Answer:
A
Explanation:
A)
B)
C)
D)
25)
25)
What type of HVAC work often requires a criminal background check?
A)
Industrial service technician
B)
Service work in people's homes
C)
Duct installation technicians
D)
System installation helper
Answer:
B
Explanation:
A)
B)
C)
D)
26)
26)
Commercial central heating and cooling systems refer to:
A)
Retail shopping malls only.
B)
Single- to three-story office buildings only.
C)
Single-story office buildings only.
D)
Structures used for businesses in general.
Answer:
D
Explanation:
A)
B)
C)
D)
27)
27)
Refrigeration refers to space temperatures:
A)
Below 0°F.
B)
Below 32°F.
C)
Below 60°F.
D)
Below 40°F.
Answer:
C
Explanation:
A)
B)
C)
D)
7
28)
28)
Many HVACR industry publications are published by:
A)
Local state governments.
B)
The federal government.
C)
Fox News and CNN.
D)
HVACR industry trade groups.
Answer:
D
Explanation:
A)
B)
C)
D)
29)
29)
Why should technicians read industry periodicals and publications?
A)
Most certifications require an hour of journal reading a week.
B)
To practice reading because technicians don't read much
C)
To find coupons for local grocery stores
D)
To stay informed about the latest HVACR technology
Answer:
D
Explanation:
A)
B)
C)
D)
30)
30)
Members of CARE include:
A)
Only contractors, wholesale corporations, and manufacturers in the HVACR industry.
B)
The brightest students and instructors involved in national HVACR training programs.
C)
Instructors, administrators, counselors, or organizations involved in HVACR training.
D)
Educational institutions that give the ICE.
Answer:
C
Explanation:
A)
B)
C)
D)
31)
31)
HVAC Excellence:
A)
Provides a list of mechanical manufacturing codes for the HVAC industry.
B)
Oversees national curriculum standards for all trade and technical education organizations.
C)
Regulates all HVACR manufacturing facilities in the United States.
D)
Established an organization to provide programmatic accreditation for HVAC programs.
Answer:
D
Explanation:
A)
B)
C)
D)
8
32)
32)
The difference between codes and standards is:
A)
Codes are enforceable by law, and standards are not.
B)
Codes apply to local municipal laws, and standards apply to state laws.
C)
Codes apply only to city and county building regulations.
D)
Codes and standards apply to equipment that is sold on international markets.
Answer:
A
Explanation:
A)
B)
C)
D)
33)
33)
Skills USA is:
A)
A vocational club for high schools, trade schools, and community colleges.
B)
A national HVACR programmatic accrediting organization.
C)
A vocational institution that evaluates the skill level for HVACR technicians.
D)
A regulatory agency that evaluates levels of competency for trade and technical schools.
Answer:
C
Explanation:
A)
B)
C)
D)
34)
34)
Explaining to the customer that the previous technician was obviously trying to cheat them:
A)
Is never a good idea.
B)
Is appropriate only if the technician worked for another company.
C)
Is required by the National Service Technician's Code of Conduct.
D)
Will make the customer feel more trusting of you and your honesty.
Answer:
A
Explanation:
A)
B)
C)
D)
35)
35)
Upon completion of the job, you should:
A)
Leave and send the customer a bill later.
B)
Tell the customer what services were performed and provide a clear and legible written
invoice.
C)
Tell the customer how much they owe you and ask for your money.
D)
Tell the customer what services were performed and ask for your money.
Answer:
B
Explanation:
A)
B)
C)
D)
9
36)
36)
Upon completion of the ICE exam:
A)
The names of all participants and their scores are published.
B)
The names of the unsuccessful participants are published.
C)
The names of all the participants and whether or not they passed are published.
D)
The names of all the successful participants are published.
Answer:
D
Explanation:
A)
B)
C)
D)
37)
37)
The Council of Air Conditioning and Refrigeration Educators (CARE):
A)
Promotes best educational practices for HVACR schools to meet or exceed the needs of the
industry.
B)
Approves course content taught by HVACR secondary and post-secondary trade schools.
C)
Provides a list of approved textbooks and study materials for HVACR secondary and
post-secondary training programs.
D)
Issues a list of approved NATE and ICE testing centers.
Answer:
A
Explanation:
A)
B)
C)
D)
38)
38)
Many national and international trade associations have trade shows primarily to:
A)
Entice technicians to join their associations.
B)
Use them as opportunities to sell tools and service training literature to technicians.
C)
Display the most current innovations in equipment, tools, and service.
D)
Provide employment for HVACR technicians.
Answer:
C
Explanation:
A)
B)
C)
D)
10
39)
39)
Who is the ICE exam designed for?
A)
The general public
B)
Students ready to enter the HVACR field
C)
Any HVACR service technician
D)
Technicians working on ice machines
Answer:
B
Explanation:
A)
B)
C)
D)
40)
40)
What is one of the primary complaints that customers have about service technicians?
A)
Not arriving when they were expected
B)
Not talking enough
C)
Talking too much
D)
Using off-brand replacement parts
Answer:
A
Explanation:
A)
B)
C)
D)
41)
41)
Which of the following areas is NOT an NATE certification specialty?
A)
Oil furnaces
B)
Air conditioning
C)
Transport refrigeration
D)
Commercial refrigeration
Answer:
C
Explanation:
A)
B)
C)
D)
42)
42)
Popular HVACR publications include:
A)
The Air-Conditioning, Heating and Refrigeration (ACHR) News.
B)
Let's Cool Georgia.
C)
Maine Maritime Mechanical Press.
D)
The Federal Register.
Answer:
A
Explanation:
A)
B)
C)
D)
11
43)
43)
Select the NATE specialty test areas. (You may select more than one.)
A)
Transport refrigeration
B)
Oil furnaces
C)
Air distribution
D)
Electric furnaces
E)
HVAC efficiency analyst
F)
Gas furnaces
G)
Domestic appliances
H)
Air conditioning
Answer:
B, C, E, F, H
Explanation:
A)
B)
C)
D)
E)
F)
G)
H)
44)
44)
All NATE specialties are offered at two levels. They are:
A)
Apprentice and journeyman.
B)
Journeyman and master.
C)
Installation and service.
D)
Heating and air conditioning.
Answer:
C
Explanation:
A)
B)
C)
D)
45)
45)
When should you approach the customer about the potential cost of a required part?
A)
Just before you leave the job
B)
Before replacing the part
C)
You should let them find out when they receive the bill.
D)
On the phone after you have left
Answer:
B
Explanation:
A)
B)
C)
D)
12
46)
46)
Skills USA sponsors:
A)
International competitions in fundamental skill areas for students attending trade and
technical schools.
B)
National competitions in journey-level skill areas, including bidding and estimating
HVACR systems.
C)
HVACR industry trade publications.
D)
Financially challenged students with educational grants to attend post-secondary trade
schools.
Answer:
A
Explanation:
A)
B)
C)
D)
47)
47)
What benefit is there to the student in taking the ICE exam?
A)
Successful completion of the ICE exempts you from taking the EPA Certification exam.
B)
Students that pass are admitted into the ICE Institute.
C)
Enhanced job opportunity
D)
Students that pass can be exempted from one class in an HVACR program.
Answer:
C
Explanation:
A)
B)
C)
D)
48)
48)
The three types of ICE exam that a student may take include:
A)
Heating, Air conditioning, and Air Movement.
B)
Residential, Commercial, and Industrial.
C)
Residential Heating and Air Conditioning, Commercial Heating and Air Conditioning, and
Industrial Process Refrigeration.
D)
Residential Heating and Air Conditioning, Light Commercial Heating and Air
Conditioning, and Commercial Refrigeration.
Answer:
D
Explanation:
A)
B)
C)
D)
13
49)
49)
HVACR technicians should consider becoming involved in a trade association or with a student
educational organization:
A)
Because it will guarantee higher income.
B)
To develop business and technical contacts in the local HVACR industry.
C)
To secure a contractor's license.
D)
To ensure that they can pass required industry certifications.
Answer:
B
Explanation:
A)
B)
C)
D)
50)
50)
Before changing the blade in an electric circular saw, you should:
A)
Unplug the saw.
B)
Work quickly to reduce the chance of the saw starting.
C)
Put on heavy gloves.
D)
Place a screwdriver down in the motor section to prevent the saw from starting.
Answer:
A
Explanation:
A)
B)
C)
D)
51)
51)
How can you determine what PPE should be used with any particular chemical product?
A)
Ask another worker
B)
Read the SDS form for that product
C)
Ask the foreman
D)
Call the EPA
Answer:
B
Explanation:
A)
B)
C)
D)
52)
52)
Pressure vessels such as boilers should have a placard on or near the vessel that displays:
A)
The parts per million casting impurities and the alloy shear strength.
B)
The manufacturing date and type of material the vessel is made of.
C)
The material the vessel is made of and the name of the inspector.
D)
When it was inspected and when the next inspection should be.
Answer:
D
Explanation:
A)
B)
C)
D)
14
53)
53)
Why should fluorocarbon refrigerant systems NOT be serviced around an open flame?
A)
The refrigerant is flammable.
B)
Poisonous gas can be created.
C)
Even small quantities of fluorinated refrigerant are explosive.
D)
The refrigerant might put out the flame.
Answer:
B
Explanation:
A)
B)
C)
D)
54)
54)
When using portable electric tools with metal cases, you should:
A)
Always use a GFCI receptacle or GFCI adapter.
B)
Always make sure you are well grounded.
C)
Lubricate the tool plug before plugging it in.
D)
Use as long an extension cord as possible.
Answer:
A
Explanation:
A)
B)
C)
D)
55)
55)
Why should oil or grease never be used to lubricate oxygen or acetylene regulators?
A)
It decreases the accuracy of the gauges.
B)
It can react with certain chemicals or materials and result in an explosion.
C)
It can result in valve damage due to corrosion.
D)
It will result in the loss of the manufacturer's warranty.
Answer:
B
Explanation:
A)
B)
C)
D)
56)
56)
How often should live circuits be worked on?
A)
Only when absolutely necessary
B)
When somewhat necessary
C)
Whenever deemed necessary
D)
When the power goes out
Answer:
A
Explanation:
A)
B)
C)
D)
15
57)
57)
Why might a bad driving record make it difficult to get a job at a service company?
A)
Your driving record affects the cost of insurance to the company.
B)
Your driving record is only important if you will be driving a bus.
C)
Service trucks with breathalyzer interlock cost more money.
D)
The company may be required to post a "Dangerous Driver" sign on their service vehicle.
Answer:
A
Explanation:
A)
B)
C)
D)
58)
58)
How would one know if a refillable refrigerant cylinder is safe to use?
A)
It will have an inspection date stamped at the side.
B)
It will have an inspection date stamped at the bottom.
C)
It will have an inspection date stamped at the middle.
D)
It will have an inspection date stamped at the top.
Answer:
D
Explanation:
A)
B)
C)
D)
59)
59)
Which agency requires ground fault interrupters to be used when operating power tools outside?
A)
ANSI
B)
UL
C)
OSHA
D)
EPA
Answer:
C
Explanation:
A)
B)
C)
D)
60)
60)
Before loading a torch set onto the back of your service truck, you should:
A)
Make sure to properly adjust the regulators.
B)
Vent all the gas from the cylinders.
C)
Close the cylinder valves and remove the regulators.
D)
Prepare a clutter-free area to lay the torch set down for safety.
Answer:
C
Explanation:
A)
B)
C)
D)
16
61)
61)
Safety protection should be worn:
A)
At all times when performing any work that requires PPE.
B)
When working with liquids, vapors, or solid objects that are extremely hot or cold.
C)
When handling refrigerant cylinders.
D)
When working with power tools.
Answer:
A
Explanation:
A)
B)
C)
D)
62)
62)
Safe methods of heating a refrigerant cylinder during charging include which of the following?
(You may select more than one.)
A)
An electric cylinder heater
B)
An oxyacetylene torch with a rosebud tip
C)
Warm water
D)
An air acetylene torch adjusted to a low flame
E)
Warm condenser discharge air
F)
Boiling water
Answer:
A, C, E
Explanation:
A)
B)
C)
D)
E)
F)
63)
63)
When refrigerants are exposed to glowing metal surfaces or flames:
A)
Lethal phosgene gas is produced.
B)
Carbon monoxide is produced and should be vented.
C)
A respirator capable of filtering fine dust must be worn.
D)
Best practices require the use of proper eye protection.
Answer:
A
Explanation:
A)
B)
C)
D)
17
64)
64)
Acetylene tanks should always be stored and transported:
A)
Upright, but at an angle of no more than 45 degrees and safely secured.
B)
Upright and safely secured in a vertical position.
C)
In a safely secured horizontal position.
D)
In such a manner as to safely store or transport the greatest number of cylinders possible.
Answer:
B
Explanation:
A)
B)
C)
D)
65)
65)
The base of an extension ladder that is correctly set up will be:
A)
1 foot from the wall for every 4 feet in length.
B)
As close to vertical as possible.
C)
The same distance away from the wall as the height of the ladder.
D)
Exactly 3 feet from the wall.
Answer:
A
Explanation:
A)
B)
C)
D)
66)
66)
Types of pressure vessels commonly used in HVACR include which of the following? (You may
select more than one.)
A)
Receiver
B)
Refrigerant cylinder
C)
Gasoline storage tank
D)
Boiler
E)
Accumulator
F)
Oil storage tank
Answer:
A, B, D, E
Explanation:
A)
B)
C)
D)
E)
F)
67)
67)
Why should tools only be used for the jobs they were intended to perform?
A)
The tool manufacturer can take your tools back if you violate the terms of use agreement.
B)
Jobs are billed by the number of tools used.
C)
The tool manufacturer may sue you for improper too use.
D)
They have not been tested for safety for jobs they were not designed for.
Answer:
D
Explanation:
A)
B)
C)
D)
18
68)
68)
Why are all HVACR tradesmen advised to enroll in an approved first-aid course?
A)
Quick and proper treatment of injuries can result in less pain and possibly save lives.
B)
It is required by ANSI.
C)
It is required by law for all tradesmen that belong to a union.
D)
It is required by OSHA.
Answer:
A
Explanation:
A)
B)
C)
D)
69)
69)
How is the size of an extinguisher related to its ability to put out a fire?
A)
The fewer combustible materials, the newer the extinguisher
B)
The more combustible materials, the smaller the extinguisher
C)
The fewer combustible materials, the bigger the extinguisher
D)
The more combustible materials, the bigger the extinguisher
Answer:
D
Explanation:
A)
B)
C)
D)
70)
70)
How should a refrigerant cylinder be warmed up during service?
A)
Using an open flame vented outdoors
B)
With live steam if available
C)
Place the cylinder in a 350°F oven
D)
With warm water not over 125°F
Answer:
D
Explanation:
A)
B)
C)
D)
71)
71)
Select safe shop practices. (You may select more than one.)
A)
Store oily shop towels in metal waste containers.
B)
Store face shield by grinding equipment.
C)
Wipe up liquid spills at the end of every week.
D)
Keep walking aisles clear of parts and tools.
E)
Make sure any tools left on the floor are easily visible.
Answer:
A, B, D
Explanation:
A)
B)
C)
D)
E)
19
72)
72)
Which types of accidents should be reported?
A)
Mainly electrical or refrigeration accidents
B)
Only accidents involving loss of blood
C)
Only accidents where the injured worker is obviously hurt
D)
All accidents
Answer:
D
Explanation:
A)
B)
C)
D)
73)
73)
Select safe tool practices. (You may select more than one.)
A)
Keep tools sharp and clean.
B)
Do not work with tools in the dark.
C)
Wear thick gloves when working in the dark.
D)
Use correct fitting wrenches.
E)
Always ground yourself when working around electricity.
F)
Arrange your tools around you in a convenient pattern on the floor.
Answer:
A, B, D
Explanation:
A)
B)
C)
D)
E)
F)
74)
74)
When entering a confined space:
A)
You should take a radio or cell phone for emergency calls in case you pass out.
B)
You should wear clothes that are resistant to spontaneous arcing.
C)
Another worker should be posted outside the confined space.
D)
You should leave a note at the entry point.
Answer:
C
Explanation:
A)
B)
C)
D)
20
