Definitions
Pipe Sizing
Combustion Air
Piping
Testing
100

AHJ

Authority having jurisdiction.

100

Undiluted Propane, 11.0 in. w.c., .5 pressure drop, 185 ft. 435,000 BTU's. Schedule 40 Metallic Pipe

1 1/4 inch


100

The opening size, using the Combined spaces on the same floor method, is 1 square inch divided by ______________.

1,000

100

Sediment traps must have a minimum of _____ pipe showing.

3 inches.

100

Minimum length of test?

10 minutes.

200

Approved

Acceptable to the AHJ

200

Natural Gas, less than 2 PSI .5in. pressure drop, polyethylene plastic pipe. 130 ft., 150,000 BTU's.

1 inch.

200

The minimum size combustion air opening is ____________.

3 inch.

200

Name two appliances that do not need a sediment trap.  

Illuminating appliances

Gas Ranges

Clothes Dryers

Decorative appliances

Gas Fireplaces

Outdoor Cooking Appliances

200

Mechanical gauge scale range shall not be greater than ___________ times the test pressure.  

5

300

Anodeless Riser

The connection between plastic underground, and metallic above ground piping.

300

Undiluted Propane, CSST 5 PSI, 3.5 PSI pressure drop. 40 ft., 600,000 BTU's. 

18 (EHD)

300

The cubic feet of a room times _________ gives you the total BTU's allowed in that room. 

20.

300

CSST stands for __________? 

Corrugated Stainless Steel Tubing

300

The test pressure shall be no less than _____ times the working pressure, but not less than _____ PSI. 

1 1/2

3

400

Branch Line

Gas piping that conveys gas from a supply line to the appliance.

400

Natural, Semirigid copper tubing, less than 2 PSI,      .5 in. pressure drop, 600 ft. 100,000 BTU's. 

1 1/4 inch.

400

The required cubic feet of combustion air per 1,000 BTU's is ___________

50.

400

How deep must underground gas pipe be installed? 

12 inches minimum.

400

____________ shall never be used as a test medium.

Oxygen

500

Excess flow valve (EFV) 

A valve designed to activate when the fuel gas flowing through exceeds a prescribed flow rate.

500

Undiluted Propane, Polyethylene Plastic tubing, 11.0 in. w.c., .5 in. pressure drop, 300 ft., 20,000 BTU's.

1 inch.

500

When using the two permanent openings method, the openings shall communicate directly or by ducts with ____________.

The outdoors.

500

1/2 inch steel pipe support spacing is ______ feet?

6.

500

Name two test mediums that can be used.

Air

Nitrogen

Carbon Dioxide

Inert Gas