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35 Cards in this Set
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- Back
- 3rd side (hint)
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Threaded schedule 40 gas pipe has a pressure rating of? |
125 psi. Pounds per square inch. |
125 ,pounds per square inch for gas. |
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Malleable fittings, class 150. What's the. Pounds per square inch ,what's the rating. |
125, pounds per square inch. |
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Steel fittings class 300, what's the PSI rating. |
300 ,pounds per square inch. |
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What is the pressure rating, for All Copper fittings, on gas lines. |
125, pounds per square inch. For high-pressure gas ,over 125 p,s,i. All fittings must be rated for 250, p,s,i. |
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When using compression fittings, Farrell's must have, A double _______ not A single. |
Double ferrules. Not single |
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K , L ,& G, are approved for above-ground use for gas. What is approved for, underground use, in Copper. |
K is approved for underground. L,&,G are approved for ,underground if they have their, Factory PVC coating. |
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There's only one type of plastic pipe ,approved for gas lines what is it. |
Polyethylene plastic, p, e, is used for outdoors, underground only must connect to a ,steel riser for transition to inside a building, with the special transition fitting, Fusion is the preferred method, of joining plastic pipe together. although compression fittings are acceptable. |
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Flexible rubber gas hoses are rated for what PSI of working pressure. |
350 pounds per square inch |
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The maximum length of a hose for a permanent installation is. |
10 feet, or 3,meters. |
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The minimum length , and maximum length, of a hose for construction heater is. |
15, feet minimum, 75, feet maximum. |
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The maximum length, of a hose for portable, Appliance / BBQ is. |
30 feet, or 9.5, meters. |
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Can you pass a gas line hose, from one wall to another. |
No is it against the law. |
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What is the max temperature a ,gas hose should be subject to. |
125, degrees Fahrenheit or, 50 degrees Celsius. |
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A radiant tube heater must have a gas hose of which length. |
36 inch plus or minus 6 inches. Must have a 12in curve in the hose, to absorb fluctuations. |
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Iron malleable pipe hanger spacing 4 horizontal pipe. What is hanger, spacing for. Half-inch. Three quarters of an inch to 1 inch. 1 and one quarter inch,too Two and a half inch. |
1/2",Half inch, 6 feet or 2 meters. 3/4",to1"Three quarters of an inch ,to 1inch,8,feet,or 2.5,meters. 11/4",to,2", 1 and a quarter inches, to, 2 inch, 10 feet, or 3 meters. |
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Vertically supported gas, pipe 1 and 1/4 inches or larger, and, tubing sizes horizontal or vertical. All sizes. What's the spacing. |
One and a quarter inch or larger ,vertical ,every floor but no more than, 125% of the horizontal spacing. Tubing all sizes, horizontal or vertical, 6 feet or 2 meters. |
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What's the max length ,of a flex connector, on an unvented appliance. I e / gas dryer. Gas stove. Etc |
Max length of the flex connector is 6 feet. |
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A vented Appliance ,can have a Max Flex connector length of. |
2 feet. |
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When using a quick connect, for a barbecue ,what must be directly Upstream of that quick connect. |
A gas cock. For emergency shut-off and on and off use. |
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When a gas line sticks through, the ceiling or through the wall, or through the floor ,what is the minimum depth, not including the threads. |
Through the ceiling or, through the wall it is 1 inch minimum, not including the threads. When it comes up through ,a floor it is 2 in minimum not including the threads. |
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What's the minimum depth of a buried gas line. |
15 inches,or 400, millimeters. |
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What's the minimum buried depth on a, commercial gas line. Where the ,gas lines Traverse a driveway, parking lot ,or Farm installations. |
A minimum of 24 in Love cover. |
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When a gas line travels 25 feet or more ,horizontally what is required. |
A vent / inspection point, In case there is a, possible leak underground it will ,vent safely. |
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When you are transitioning, from plastic underground, gas pipe. To steal gas pipe, how close to the, premises and the transition joint, be made. |
Must be at least 15, feet or 4.6 meters from any building. |
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Identifying gas piping lines. Commercial building, Gas pipe can ,be painted yellow. Banding or markings, stating the pressure the nature ,of the product should be ,at what intervals. |
There must be a yellow band every 20 feet or 6, meters. There must be a natural gas or propane marking every 20 feet or 6, meters. |
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In a residence what are the intervals, of marking gas pipe or, copper gas pipe. |
Standard black iron pipe, does not need to be marked, in a residential situation. Copper pipe must be ,marked every 6 ft. |
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The gas cock can be placed, on the horizontal in residential piping ,if it's within? |
2 feet of the appliance. |
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What is the max distance a gas cock can be ,placed in a residence. |
Up to 50 feet away, or 17, meters as long as it is accessible ,and clearly tagged. |
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Supporting roof gas line, and tubing ,what are the support distances. |
Piping must be supported at every threaded joint. Tubing must be supported its entire length. |
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When installing an appliance in a, residential garage what are the clearances. |
Must be installed a minimum of 18in above the floor. |
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When installing an appliance in a commercial garage what are the clearances. |
No less than 4.5 feet from the floor. I shall be protected from damage. |
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What is the minimum ,test time in pressure ,for A low pressure gas line. 200 ft or less ,and 200 feet and over. |
15 PSIG, for 15 minutes. The test gauge face must be a minimum of 3 in diameter. For more than 200 ft ,15 psi for 60 minutes. |
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What's the test pressure, and time for . Over 2, pounds per square inch, but not more than 33, pounds per square inch. 200 feet or less, in length. Over 200 feet in length. |
50 psi 460 minutes 4 under 200 feet. More than 200 ft 50 psi for 180 minutes. |
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Pressure and time test for over 33 pounds per square inch gas line or welded pipe. What's the pressure ,and time. |
Over 33 PSI the test will be for, 1.5, times the max operating pressure, 180 minutes. Welded pipe 50 psi or 1.5 times the maximum, operating pressure for, 180 minutes. |
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Low pressure gas line sizing. General formula. |
Find the BTU load for all your appliances. Find the longest run. Go to the correct chart, and size everything from the longest run and BTU load line. |
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