OK HVAC Journeyman Test Latest Update Questions with Excellent Answers Download!!
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OK HVAC Journeyman Test Latest
Update Questions with Excellent
Answers Download!!
A- 1 foot (IFGC - Figure 503.6.4) - Answer -A Type B venting system must terminate at least __
above the flat roof through which it passes.
A- 1 foot
B- 2 feet
C- 4 feet
D- 5 feet
A- 1 inch (IMC - TABLE 401.5...
OK HVAC Journeyman Test Latest
Update Questions with Excellent
Answers Download!!
A- 1 foot (IFGC - Figure 503.6.4) - Answer -A Type B venting system must terminate at least __
above the flat roof through which it passes.
A- 1 foot
B- 2 feet
C- 4 feet
D- 5 feet
A- 1 inch (IMC - TABLE 401.5) - Answer -What is the maximum opening in a grille protecting an
intake on a commercial building?
A- 1 inch
B- 3/4 inch
C- 1/4 inch
D- 1/2 inch
A- 1-1/2 inches (IMC - 307.2.3) - Answer -Contractors working with auxiliary drain pans, and a
secondary drain system for an air conditioning system. How deep should be these auxiliary drain pans at
least?
A- 1-1/2 inches
B- 1-1/4 inches
C- 2 inches
D- 1-3/4 inches
A- 1000°F (IFGC - 202) - Answer -What is the minimum melting temperature for brazing material?
A- 1000°F
B- 600°F
C- 800°F
D- 1200°F
,A- 110 in.² (IFGC - 304.5.3.1) - Answer -Anna players has a demand of 110,000 btu/h. It is using
indoor air for combustion air. What is the minimum net free area of each opening?
A- 110 in.²
B- 80 in.²
C- 55 in.²
D- 100 in.²
A- 110 sq in (IFGC - 304.5.3.1) - Answer -An appliance has a demand of 110,000 BTU/h. It is using
indoor air for combustion air. What is the minimum net free area of each opening?
A- 110 sq in
B- 55 sq in
C- 100 sq in
D- 80 sq in
A- 12 inches (IFGC - 404.12) - Answer -What is the minimum burial depth underground gas piping?
A- 12 inches
B- 18 inches
C- 16 inches
D- 24 inches
A- 12 threads (IFGC - TABLE 403.9.2) - Answer -Specifications indicate that a 3 inch steel gas will
have approximately __ threads to be cut.
A- 12 threads
B- 8 threads
C- 14 threads
D- 10 threads
A- 15 in.² (IMC - 304.5.1.2) - Answer -What is the required net free area of a wood louver that is
10" x 6".
A- 15 in.²
B- 60 in.²
C- 30 in.²
D- 45 in.²
,A- 16 (IMC - TABLE 803.9(2)) - Answer -The minimum thickness for galvanized chimney connector
of 14 inches round and small are used for high. Heat appliances is __ gage.
A- 16
B- 12
C- 14
D- 10
A- 18 (IFGC - 404.17.3) - Answer -What is the minimum AWG for a tracer wire?
A- 18
B- 12
C- 6
D- 24
A- 18 inches (IFGC - 620.4) - Answer -Suspend a type unit heater shall be installed with clearances
to combustible materials of not less than __ inches at the sides.
A- 18 inches
B- 24 inches
C- 6 inches
D- 12 inches
A- 187 V - Answer -The starting running voltage used on a 208 V motor is
A- 187 V
B- 228 V
C- 175 V
D- 208 V
A- 2 feet (IFGC - Figure 503.6.4) - Answer -How far shall a gas vent extend above a roof of a house
when the roof has a slope of 9/12?
A- 2 feet
B- 2 1/2 feet
C- 5 feet
D- 4 feet
A- 22 inches (IMC - 306.4) - Answer -What is the minimum width of a passageway to an appliance
installed under floors?
, A- 22 inches
B- 30 inches
C- 20 inches
D- 24 inches
A- 22 inches x 30 inches (IFGC - 306.4) - Answer -What shall the clear access opening be for an
appliance that is installed under the floor?
A- 22 inches x 30 inches
B- 18 inches x 24 inches
C- 20 inches x 30 inches
D- 20 inches x 36 inches
A- 24 (IMC - TABLE 603.4 lists the required aluminum thickness of 0.018 inches minimum, for a round
duct less than 12 inches diameter. A standard sheet metal thickness gauge table will list the thickness of
24 gauge aluminum as 0.0201 inches, and the thickness of 26 gauge aluminum as 0.0159 inches (too
thin). Correct multiple choice answer is 24 gauge aluminum duct (0.0201 inches). - Answer -In a
residential building, the minimum wall thickness of an 8-inch round aluminum duct must be what
minimum gauge thickness?
A- 24
B- 26
C- 28
D- 30
A- 250 (IMC - 603.5) - Answer -The air temperature within nonmetallic ducts shall not exceed __
degrees F.
A- 250
B- 175
C- 200
D- 125
A- 3/4 to 1 - Answer -According to OSHA, all simple slope, excavations, 20 feet or less in depth,
shall have a MAXIMUM slope of..
A- 3/4 to one
B- 1/2 to one
C- 1 to 1
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