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34 Cards in this Set
- Front
- Back
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what is the WC (water capacity) of a propane cylinder? |
weight of water the cylinder can hold when full |
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what is the tare weight of a cylinder? |
weight of the empty cylinder |
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what is the maximum filling density of a propane cylinder by weight? |
42% of the water capacity stamped on the cylinder |
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what is the maximum filling density for a cylinder filled by volume? |
80% |
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who is responsible for ensuring that the propane cylinder is not overfilled? |
the person filling the cylinder |
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what must be done before a new cylinder can be filled? |
must be purged of moisture and air |
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how far must must a cylinder be from combustible materials? |
10 ft |
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what is the purpose of a line relief device? |
protect the appliance and the equipment from over-pressuring |
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what is required on a propane vent line that discharges vertically upwards? |
a loose fitting cap |
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how often do propane cylinders be re-qualified? |
every 10 years from manufactured date |
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where are relief valves located on a propane cylinder? |
where it communicates with the vapour space at all times |
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what connection is required for a valve that is liquid withdrawal? anything but a..... |
any connection other than a POL |
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what is the purpose of a spit valve |
to determine when the maximum filling density is reached |
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what is required for a propane cylinder used on a construction site? |
a pressure regulator |
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where should a propane cylinder be stored when it is not connected ? |
outdoors |
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what is the minimum distance between a cylinder relief valve and a building opening below the relief valve? |
3 ft |
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what is the maximum size propane cylinder that may be used indoors without permission from authority having jurisdiction? |
5 lbs |
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where cant propane cylinders be installed? |
below grade |
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how many times can 1lb propane cylinders be used? |
once. non reusable. |
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what are the ranges (in lbs) propane cylinders come in? |
1lb - 420lbs |
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when is it acceptable to reuse a propane cylinder for an air tank? |
NEVER |
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what is the minimum working pressure for a propane cylinder? |
240 psig |
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why are meter and float gauges not used on propane cylinders? |
very inaccurate |
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what are anhydrous ammonia valves made of? why? |
made of steel. will eat brass away. |
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the relief valve setting shall be no less than.... |
no less than two times for pressures up to and including 5 psig |
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where are hydrostatic valves installed? |
wherever propane liquid may become trapped |
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can propane cylinders be stored indoors? |
yes if there is a special room or building. |
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how many cylinders can be located against the wall of a building, provided they are all connected together to form the fuel supply? |
4 cylinders |
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what is the minimum/maximum hose length used on a construction heater to a cylinder? |
15 ft 75 ft |
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what is the purpose of an excess flow valve? |
shut off the propane supply if the hose ruptures or has a clean break |
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what is the maximum oriface size for a excess flow valve? |
54 oriface drill |
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what is the maximum amount of cylinders (or lbs) of propane are you allowed to carry in your personal vehicle? |
5 cylinders or 300 lbs (whichever comes first) |
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how are propane cylinders painted? |
powder coated with colors that are light reflective |
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what is to be installed on a 1lb cylinder that is located outside on a construction site? |
excess flow valve |
