Pharaoh definition, meaning, English dictionary, synonym, see also 'Pharaoh ant',Pharaoh's ant',Pharaoh ant',Pharos', Reverso dictionary, English definition, English vocabulary Translation Context
The intake to this ventilation. system must be near the floor. (Chlorine as a gas is. 2.5 times heavier than air.) Exhaust Rate The exhaust system must be able to exchange the air. in the room every three to four minutes.
â¢ Another difference between the two gases pertains to their weight. Propane is heavier than natural gas and in case of any leakage, it falls down on the ground and thus poses a greater risk of injury than natural gas which is lighter and dissipates into air. â¢ Propane is more energy efficient than natural gas.For the same amount of gas, propane gives 2550 BTU whereas natural gas gives only 1000 BTU. But this better thermal efficiency does not translate into any profit as propane is costlier than natural gas. Propane is more energy efficient than natural gas. For the same amount of gas, propane gives 2550 BTU whereas natural gas gives only 1000 BTU. But this better thermal efficiency does not translate into any profit as propane is costlier than natural gas.