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OK HVAC Journeyman Test EXAM QUESTIONS AND ANSWERS 100 % PASS SOLUTION A+ GRADE
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OK HVAC Journeyman Test EXAM QUESTIONS AND ANSWERS 100 % PASS SOLUTION A+ GRADE
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OK HVAC Journeyman Test EXAM 2024-2025 QUESTIONS ANDANSWERS 100 % PASS SOLUTION A+ GRADE
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
C- dew point - answer>>The __ is the temperature below which water vapor in the air will start to
condensate
A- wet bulb point
B- dry bulb point
C- dew point
D- sensible point
B- 15 (IMC - 603.3) - answer>>Ducts shall be classified based on the maximum operation pressure of the
duct at pressures of positive or negative of all, except which of the following from a water column.
A- 1
B- 15
C- 10
D- 0.5
D- 40 (IMC - 302.3.3) - answer>>A Hole is board into a wood stud its diameter cannot be more than __
percent of the stud.
A- 25
B- 75
,C- 60
D- 40
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
B- 10 feet (IMC - 304.11) - answer>>A technician is installing an electrical power to plants. A guard rail
will be installed later on international mechanical code must be implemented. The roof is 8 foot above
the grade below what would be the least distance between the appliance in the roof edge?
A- 8 feet
B- 10 feet
C- 6 feet
D- 4 feet
A- oils that react chemically with refrigerant - answer>>What is a technician you are responsible to
select and to handle refrigerants from the list below name the type of refrigerant oils you must avoid
A- oils that react, chemically with refrigerant
B- oils that are dry and moisture free
C- oils that are fluid at low temperature
D- oils that are stable at high temperature
A- interrupted (IMC - 604.8) - answer>>During inspection duct linings at the area of operation of a fire
damper, we're not approved to pass next inspection. The duct linings must be.
A- interrupted
,B- cut back 4 inches
C- fireproofed
D- doubled
C- 3 psig (IFGC - 406.4.1) - answer>>What is the minimum test pressure on a gas piping system?
A- 8 psig
B- 10 psig
C- 3 psig
D- 5 psig
C- 150 in.² (IFGC - 304.6.1) - answer>>Given: a 300,000btu/h (input rating) fuel burning appliance,
installed in a confined space with all combustion air supplied from outdoors through horizontal ducts
shall have two combustion air openings each opening. She'll have an area of at least __.
A- 60 in.²
B- 100 in.²
C- 150 in.²
D- 300 in.²
A- 8 inches (IFGC - 404.12.1) - answer>>What is the minimum burial depth underground gas piping that
is supplying an outdoor grill?
A- 8 inches
B- 4 inches
C- 12 inches
D- 18 inches
C- 14 (IMC - 603.6.2.1) - answer>>Flexible, air connectors shall be limited in length to __ feet.
A- 10
, B- 16
C- 14
D- 12
C- leaky suction valve - answer>>A deep vacuum is an evacuation method in which a technician uses a
vacuum pump (or the systems compressor) to pull a vacuum until no moisture or other vapor remains in
the system. If the compressor is used for this procedure, but CANNOT produce a deep vacuum, which of
the following would be the problem?
A- bad TXV
B- low refrigerant
C- leaky suction valve
D- leaky exhaust valve
B- 1,000 CFM (IMC - Table 403.3.1.1 , lists darkrooms at 1.0CFM/Sq-ft. Therefore, calculate; 1.0CFM/Sq-
ft x 1000 Sq-ft = 1,000CFM) - answer>>What would be the minimum ventilation exhaust flow rate for a
1,000 Sq-ft darkroom? The ventilation system must be designed to supply the required rate of
ventilation air continuously during the period the building is occupied "24/7".
A- 10,000 CFM
B- 1,000 CFM
C- 180 CFM
D- 120 CFM
D- 14 inch diameter (ACCA Ductulator (duct slide rule) align 0.095 on galvanized metal duct /w 1000CFM
= 14" round duct. 14 inch diameter) - answer>>Use a duct slide rule to determine required round steel
duct size for a sheet metal duct system showing a pressure drop of 0.25 IWC, delivers 1,000CFM, has a
total effective length of 263 feet, and a friction rate of 0.095 IWC/100.
A- 12 inch diameter
B- 10 inch diameter
C- 16 inch diameter
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