1
HVAC JOURNEYMAN TEST Questions and
Correct Answers
Question: Which type of air-conditioning system is most likely to leak
refrigerant into a structure? A.direct B.indirect C.evaporative D.split.
Answer: A.direct
Question: When mechanical equipment is located on a flat roof that is 8
foot above grade, how far from the roof edge must the equipment be
located before a guard rail is not needed? A. Less than 6' B. 9' C. 4' D.
More than 10'
Answer: D. More than 10'
Question: A room that measures 10 x 20 x 8 contains a 35,000 BTU
woodburning stove in a building classified as unusual tight construction,
what size combustion air openings will be required if they are installed
directly in a sidewall? A. 100 sq in B 17.5 sq in C. 11.6 sq in D. 8.7 sq in
Answer: D. 8.7 sq in
Question: How many BTUs are in 1 ton of refrigeration? A. 12 BTUs B.
120 BTUs C. 1200 BTUs D. 12,000 BTUs.
Answer: D. 12000 BTU's
Question: Which refrigerant is not classified as a flammable refrigerant?
A. Class a B. class C C. Class 2 D. Class 1
Answer: D. class 1
Question: Grounding circuit conductors should be identified by a
covering or marking by one of the following colors. A.White B.Green
C.Blue D.Red.
Answer: A.white
Pretest - Stuvia US
, 2
Question: What is the minimum distance to a property line that a supply
air intake can be located? A. 8 foot B. 10 foot C. 6 foot D. 5 foot.
Answer: B. 10 foot
Question: How many pounds per 1000 ft.³ of occupied space of our -
410 a refrigerant can be in a direct system? A.0 B.11 C.6 D.10
Answer: D.10
Question: Which one of the following systems is required by code to be
periodically, tested per the manufacturers instructions, and as required by
the official. A fuel gas piping B. Venting systems C. Air duct systems D.
Refrigerant alarm systems.
Answer: D. Refrigerant alarm systems
Question: A room contains a gas fired furnace with an input of 108,000
BTUs. The room is 20 x 10 x 8, is the room classified as a confined space?
A. Yes B. No.
Answer: A.yes
Question: What is the full load current rating of a 230 V, three phase,
alternating current motor rated at 7.5 hp? A.30.6 amps B.22 amps C.66
ohm's D.40 watts.
Answer: B.22 amps
Question: The maximum flame spread and smoked development rating
for duct covering insulation and it assembly occupancy. A. 25, 50 B. 75,
450 C. 200, 450 or D450, 800
Answer: A.25,50
Question: In order for a duct to penetrate a fire partition without the
installation of a fire damper, the partition opening must be lined with a
steel sleeve of what thickness? A. 10 gauge B. .060 -inch-thick C. 12
gauge D. 0.032-inch-thick
Answer: B. .060-inch-thick
Pretest - Stuvia US
HVAC JOURNEYMAN TEST Questions and
Correct Answers
Question: Which type of air-conditioning system is most likely to leak
refrigerant into a structure? A.direct B.indirect C.evaporative D.split.
Answer: A.direct
Question: When mechanical equipment is located on a flat roof that is 8
foot above grade, how far from the roof edge must the equipment be
located before a guard rail is not needed? A. Less than 6' B. 9' C. 4' D.
More than 10'
Answer: D. More than 10'
Question: A room that measures 10 x 20 x 8 contains a 35,000 BTU
woodburning stove in a building classified as unusual tight construction,
what size combustion air openings will be required if they are installed
directly in a sidewall? A. 100 sq in B 17.5 sq in C. 11.6 sq in D. 8.7 sq in
Answer: D. 8.7 sq in
Question: How many BTUs are in 1 ton of refrigeration? A. 12 BTUs B.
120 BTUs C. 1200 BTUs D. 12,000 BTUs.
Answer: D. 12000 BTU's
Question: Which refrigerant is not classified as a flammable refrigerant?
A. Class a B. class C C. Class 2 D. Class 1
Answer: D. class 1
Question: Grounding circuit conductors should be identified by a
covering or marking by one of the following colors. A.White B.Green
C.Blue D.Red.
Answer: A.white
Pretest - Stuvia US
, 2
Question: What is the minimum distance to a property line that a supply
air intake can be located? A. 8 foot B. 10 foot C. 6 foot D. 5 foot.
Answer: B. 10 foot
Question: How many pounds per 1000 ft.³ of occupied space of our -
410 a refrigerant can be in a direct system? A.0 B.11 C.6 D.10
Answer: D.10
Question: Which one of the following systems is required by code to be
periodically, tested per the manufacturers instructions, and as required by
the official. A fuel gas piping B. Venting systems C. Air duct systems D.
Refrigerant alarm systems.
Answer: D. Refrigerant alarm systems
Question: A room contains a gas fired furnace with an input of 108,000
BTUs. The room is 20 x 10 x 8, is the room classified as a confined space?
A. Yes B. No.
Answer: A.yes
Question: What is the full load current rating of a 230 V, three phase,
alternating current motor rated at 7.5 hp? A.30.6 amps B.22 amps C.66
ohm's D.40 watts.
Answer: B.22 amps
Question: The maximum flame spread and smoked development rating
for duct covering insulation and it assembly occupancy. A. 25, 50 B. 75,
450 C. 200, 450 or D450, 800
Answer: A.25,50
Question: In order for a duct to penetrate a fire partition without the
installation of a fire damper, the partition opening must be lined with a
steel sleeve of what thickness? A. 10 gauge B. .060 -inch-thick C. 12
gauge D. 0.032-inch-thick
Answer: B. .060-inch-thick
Pretest - Stuvia US
