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