we know that iron don't burn.think we have a room made up of iron and in it LPG cylinder is there and the cylinder blast then what will happen?
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Answer:
Explanation:
The aftermath of a natural gas disaster can be unbelievably grim—sky-high sheets of flame, entire structures gone in seconds. The world got to see the destructive signature of a gas blast Wednesday in East Harlem, when a pair of five-story buildings exploded and crumbled into a fire-licked pile. At the most recent count, seven people died in the incident and at least 60 were injured.
Ron Lavezzo, fire-division chief for the Bay Area city of Millbrae, is a man familiar with gas-scented mayhem. He was among the first on the scene at the San Bruno pipeline explosion of 2010, a conflagration so fierce the media at first reported it as a plane crash that had set the "whole neighborhood on fire."What's the setup for a bad gas explosion?
Natural gas is conveyed over the land in pipes of different diameters and pressures. The problem begins when a pipe develops a leak or rupture due to aging infrastructure or construction work. In Lavezzo's experience responding to calls last year, the two causes broke down to about 50/50.
In the San Bruno calamity, a sizable and highly pressurized 30-inch transmission line operated by Pacific Gas & Electric suffered a major breach. A screaming eruption of fumes dug out an immense crater and threw a 28-foot-long section of heavy pipe about 100 feet away. The U.S. Geological Survey registered it as a small earthquake.
Nobody knows yet exactly what happened in New York. But Lavezzo says there are a couple of ways that gas escaping from smaller and less-pressurized urban lines, such as 8-inch mains, could do such significant damage. "If there are gas leaks into a house that's unoccupied, and it fills the house, now you've got a bomb," he says. Or if there's a pipe that has been leaking for a long time underground, and it fills up a storm drain or subterranean vault with a large amount of gas, that could also rock the block.