HVAC Master Exam with All Correct & 100% Verified
Answers| Updated to Pass
A boiler operates at 150psi and 225 degree is called ✔Correct Answer-Low pressure hot water
Minimum distance of gas fired appliance to be installed in a public garage ✔Correct Answer-8'
Minimum distance from the roof edge that will not require guard rail when an appliance is installed
which need roof hatch, provided that the roof is 8ft from the grade level. ✔Correct Answer-10'
Minimum clearance for all sides of a central warm air furnace to be installed in a new construction
✔Correct Answer-3"
Maximum horizontal hanger spacing for steel pipe in hydronic system ✔Correct Answer-12'
Equipment installed under floor shall have a minimum accessible are of ✔Correct Answer-22"X30"
Minimum depth of an auxiliary drain pain in a condensate disposal ✔Correct Answer-1.5"
Minimum distance between a return air opening of a furnace and an appliance exhaust vent in the
same building ✔Correct Answer-10'
Minimum exhaust rate of residential bathroom with intermittent vent ✔Correct Answer-50cfm
Ventilation requirement for 3000sf crawl space ✔Correct Answer-60cfm
Minimum exhaust rate of 35sf public bathroom with one lav and one toilet ✔Correct Answer-
75cfm
Minimum exhaust rate of a theater lobby ✔Correct Answer-1000cfm
Minimum exhaust rate of a 2000sf dry cleaning facility with Type II system ✔Correct Answer-
2000cfm
When isntalling an exhaust duct for downflow domestic range hood, what is required? ✔Correct
Answer-Backdraft Damper
Minimum thickness of rigid duct penetrating a wall or ceiling ✔Correct Answer-26 gage
Gease duct can be sealed by ✔Correct Answer-Welded
Minimum slope of 80' horizontal duct ✔Correct Answer-1 inch per foot
Minimum distance a discharge opening of a type I hood terminating above the roof shall be from the
roof? ✔Correct Answer-40"
Minimum thickness of stainless steel duct hood for commercial kitchen ✔Correct Answer-18 Gage
Answers| Updated to Pass
A boiler operates at 150psi and 225 degree is called ✔Correct Answer-Low pressure hot water
Minimum distance of gas fired appliance to be installed in a public garage ✔Correct Answer-8'
Minimum distance from the roof edge that will not require guard rail when an appliance is installed
which need roof hatch, provided that the roof is 8ft from the grade level. ✔Correct Answer-10'
Minimum clearance for all sides of a central warm air furnace to be installed in a new construction
✔Correct Answer-3"
Maximum horizontal hanger spacing for steel pipe in hydronic system ✔Correct Answer-12'
Equipment installed under floor shall have a minimum accessible are of ✔Correct Answer-22"X30"
Minimum depth of an auxiliary drain pain in a condensate disposal ✔Correct Answer-1.5"
Minimum distance between a return air opening of a furnace and an appliance exhaust vent in the
same building ✔Correct Answer-10'
Minimum exhaust rate of residential bathroom with intermittent vent ✔Correct Answer-50cfm
Ventilation requirement for 3000sf crawl space ✔Correct Answer-60cfm
Minimum exhaust rate of 35sf public bathroom with one lav and one toilet ✔Correct Answer-
75cfm
Minimum exhaust rate of a theater lobby ✔Correct Answer-1000cfm
Minimum exhaust rate of a 2000sf dry cleaning facility with Type II system ✔Correct Answer-
2000cfm
When isntalling an exhaust duct for downflow domestic range hood, what is required? ✔Correct
Answer-Backdraft Damper
Minimum thickness of rigid duct penetrating a wall or ceiling ✔Correct Answer-26 gage
Gease duct can be sealed by ✔Correct Answer-Welded
Minimum slope of 80' horizontal duct ✔Correct Answer-1 inch per foot
Minimum distance a discharge opening of a type I hood terminating above the roof shall be from the
roof? ✔Correct Answer-40"
Minimum thickness of stainless steel duct hood for commercial kitchen ✔Correct Answer-18 Gage
