CFH
What does CFH stand for?
Cubic foot per hour
What does BTU stand for?
British Thermal Units
What does AHJ stand for?
Authority having Jurisdiction
What is the minimum gas pipe size for any appliance?
1/2 pipe
If you have a 40-gallon water heater and a range on a 65' piece of pipe what size is the pipe?
3/4 "
How do you find your CFH?
Divide BTU by 1100
How many BTU's does a gas range use?
65,000
What does every gas appliance need to have?
an individual shut off
What type of threads are used on gas pipe?
Tapered Threads
If you have Refrigerator and a Range on a 115' piece of pipe what size is the pipe?
3/4
How many btu's does one cubic foot of gas produce?
1100
How many BTU's does a gas log use?
80,000
Where is the appliance shut off located?
In the same room
What does a letter in the sizing chart indicate?
An individual appliance
If you have a domestic water heater and a clothes dryer on a 64' piece of pipe what size is the pipe?
3/4
On a 1" piece of pipe at a 100' what is your max CFH?
195
How many btu's do you have with a built-in oven and a gas light?
27,500
Who is responsible for the gas meter?
City or Gas Company
If you have a pipe that does not line up with the hole, what fittings do you use?
2 90' (Swing joint)
If you have a 6 gallon per minute water heater, range and a BBQ on a 125' piece of pipe what size is this pipe?
On a 6" piece of pipe at 500' what is your max CFH
8150
On what Table are the approximate gas input for typical appliances found on?
Table 12-1
Gas piping shall be sized in accordance with what NFPA standard?
54;5.4.3
The pipe section between the last branch and shut off is called what?
Outlet
If you have 3 clothes dryers, a 50-gallon water heater and 2 electric ranges on a 200' piece of pipe what is the pipe size?
1 1/4