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32 Cards in this Set
- Front
- Back
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What minimum distance is required between a a propane tank and a direct fired vaporizer |
10 ft |
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How many supports are required for a propane tank |
2 |
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What devices are required on the piping Upstream of a propane vaporizer |
A strainer, an excess flow valve, a manual shut-off valve and a union |
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What is the minimum rated working pressure of a propane tank |
250 psi |
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What is the smallest size of a tapping in the bottom of a propane tank for evacuating the tank? |
3/4 inch |
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What device allows propane to flow in both directions but controls the outward flow only |
An excess flow valve |
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What is the required distance between a 1500 u.s. water gallon propane tank and the property line or framed building |
25 ft2 house 10 ft to property line |
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What are the length requirements for a hose used on a construction heater |
Minimum 15 feet maximum 75 ft |
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What is the maximum size of the opening of a spit valve or fixed liquid level gauge |
Number 54 orifice drill size |
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Where is the filler valve required to be located on a propane tank |
So that tank is filled into the liquid space |
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What is the minimum acceptable distance between a propane tank and a source of ignition |
10 ft |
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What is the maximum pressure for a first stage regulator installed on a propane tank for permanent residential service |
10 psi |
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What type of threaded pipe and fittings are required for liquid propane |
Schedule 80 pipe and forged fittings |
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What is required when liquid propane can be trapped in a pipe between two shutoff valves |
There must be a hydrostatic relief valve installed between the two shutoff valves |
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For a propane tank to be legal to install in Alberta, what number should be after the decimal of the crn |
The number two |
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What device must be installed in the outlet of a propane tank that has liquid withdrawal |
An excess flow valve |
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What is the main difference between propane tank and propane cylinder |
Standards and approval agency responsible for certification |
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What part of a propane tank may be filled welded |
Saddle plates or brackets |
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What must be attached to a pressure relief valve installed in a propane tank |
A loose-fitting rain cap to prevent rain and snow from entering the valve |
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What is the purpose of the internal safety control valve |
To shut off the flow of propane liquid in case of fire |
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When was the pressure gauge be installed on a propane tank |
When the capacity is over 2,000 u.s. water gallons |
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Can you use a float gauge to determine the filling capacity of a propane tank |
No |
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What is the maximum filling density of a propane tank by volume |
80% of the propane capacity |
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What is the minimum size of container that can use a spit valve to assist in the filling process |
5 lb |
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Minimum distance between a pressure relief valve discharge and a building opening below the discharge |
3 ft or 1 m |
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Minimum height above grade for a propane tank pad |
3 in |
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When using the lifting lugs to move a propane tank, what is the permitted filling density |
5% of the water capacity |
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What is the formula tank diameter X buy tank length X Factor used for |
To calculate the vaporization rate of a propane tank |
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How would a propane tank that is 50% full be lifted |
The tank may be lifted by cradling it with web slings |
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Minimum start to discharge pressure setting of a hydrostatic relief valve |
375 PSIG |
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What device has to back check valves incorporated into |
Filler valve |
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How is an excess flow valve sized |
50% more than the flow rate of all the appliances |
