HVAC JOURNEYMAN TEST EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+
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Course
HVAC
Institution
HVAC
HVAC JOURNEYMAN TEST EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+
Which type of air-conditioning system is most likely to leak refrigerant into a structure? A.direct B.indirect C.evaporative D.split.
A.direct
When mechanical equipment is located on a flat roof that is 8 foot above...
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'
D. More than 10'
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
D. 8.7 sq in
How many BTUs are in 1 ton of refrigeration? A. 12 BTUs B. 120 BTUs C. 1200
BTUs D. 12,000 BTUs.
D. 12000 BTU's
Which refrigerant is not classified as a flammable refrigerant? A. Class a B. class
C C. Class 2 D. Class 1
D. class 1
, 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.
A.white
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.
B. 10 foot
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
D.10
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.
D. Refrigerant alarm systems
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.
A.yes
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.
B.22 amps
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
A.25,50
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