HVAC JOURNEYMAN TEST QUESTIONS WITH ANSWERS

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QUESTIONS WITH ANSWERS \| \|




Which type of air-conditioning system is most likely to leak
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refrigerant into a structure? A.direct B.indirect C.evaporative
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D.split. - CORRECT ANSWERS ✔✔A.direct
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When mechanical equipment is located on a flat roof that is 8 foot
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above grade, how far from the roof edge must the equipment be
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located before a guard rail is not needed? A. Less than 6' B. 9' C.
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4' D. More than 10' - CORRECT ANSWERS ✔✔D. More than 10'
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A room that measures 10 x 20 x 8 contains a 35,000 BTU
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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
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C. 11.6 sq in D. 8.7 sq in - CORRECT ANSWERS ✔✔D. 8.7 sq in
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How many BTUs are in 1 ton of refrigeration? A. 12 BTUs B. 120
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BTUs C. 1200 BTUs D. 12,000 BTUs. - CORRECT ANSWERS ✔✔D.
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12000 BTU's \|




Which refrigerant is not classified as a flammable refrigerant? A.
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Class a B. class C C. Class 2 D. Class 1 - CORRECT ANSWERS ✔✔D.
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class 1 \|

, Grounding circuit conductors should be identified by a covering or
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marking by one of the following colors. A.White B.Green C.Blue
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D.Red. - CORRECT ANSWERS ✔✔A.white
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What is the minimum distance to a property line that a supply air
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intake can be located? A. 8 foot B. 10 foot C. 6 foot D. 5 foot. -
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CORRECT ANSWERS ✔✔B. 10 foot \| \| \| \|




How many pounds per 1000 ft.³ of occupied space of our - 410 a
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refrigerant can be in a direct system? A.0 B.11 C.6 D.10 - \| \| \| \| \| \| \| \| \| \| \| \|



CORRECT ANSWERS ✔✔D.10 \| \|




Which one of the following systems is required by code to be
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periodically, tested per the manufacturers instructions, and as \| \| \| \| \| \| \| \|



required by the official. A fuel gas piping B. Venting systems C. Air
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duct systems D. Refrigerant alarm systems. - CORRECT ANSWERS
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✔✔D. Refrigerant alarm systems
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A room contains a gas fired furnace with an input of 108,000
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BTUs. The room is 20 x 10 x 8, is the room classified as a confined
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space? A. Yes B. No. - CORRECT ANSWERS ✔✔A.yes
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What is the full load current rating of a 230 V, three phase,
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alternating current motor rated at 7.5 hp? A.30.6 amps B.22 amps \| \| \| \| \| \| \| \| \| \| \|



C.66 ohm's D.40 watts. - CORRECT ANSWERS ✔✔B.22 amps
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The maximum flame spread and smoked development rating for
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duct covering insulation and it assembly occupancy. A. 25, 50 B.
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