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Propane Fill Certification Practice Test 100% solved
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Propane Fill Certification Practice Test
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Propane Fill Certification Practice TestCharacteristics of Propane - Answer- is a colorless and odorless gas. Since propane is odorless, it is intentionally odorized so leaks can be detected. The odor is similar to rotten eggs.
What affect ambient temperatures have on the expansion of propane - Answer- Propane volume rises as temperature rises and falls as temperature falls. Being temperature dependent, propane becomes more dense as temperature falls and expands as temperature increases.
The formula used to set the scale of proper filling - Answer- W.C. (water capacity) x .42 + T.W. (tare weight)
What affect anhydrous ammonia has on brass - Answer- NH3 is corrosive to brass, copper and galvanized components/fittings. When these components/fittings come in contact with NH3 liquid or vapor, the metal will corrode and will fail.
The propane procedures for filling an rv - Answer- Set the propane meter to zero.
Connect the motor fuel hose to the tank fill valve.
Open the vent value on the fixed maximum liquid level gauge.
Start the pump and slowly open the hose and valve.
When a steady white mist is emitted, close the hose and valve.
Close the fixed maximum liquid level gauge.
Shut off the pump.
Slowly loosen the filler adapter to prevent any loose propane. Wait until propane stops venting.
Disconnect and stow the hose assembly once venting has stopped.
Replace the filler valve cap.
Proper procedures to follow in the event of a fire - Answer- Do not extinguish fire until leak is stopped.
Small fire- Dry chemical or CO2
Large fire- Water spray or fog
Fire involving tanks- Dight fire from max distance. Cool containers with flooding quantities of water well after fire has gone out. Do not spray source directly to avoid icing. Withdraw immediately in case of increased venting sounds or discoloration of tank. Always stay away from tanks engulfed in fire.
The term POL - Answer- abbreviation for Prest-O-Lite, for the company that first produced the valve. With the POL valve, if you open it with no fitting attached, propane is freely released
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