How do manholes explode?

Question:
I always hear of manhole explosions. How the hell do they explode? They're friggin covers for the potholes! JEEZ!

Answers:

What are automotive technology classes like?

There are underground vaults for all types of utilities: sewer, telephone, storm drains electric, water, etc.
A layperson often refers to the cast iron cover as a "manhole" when actually the vault itself is a manhole, and the cover is just a cover.

WHY are the gas prices SOOOO High right Now??


There are two primary causes of explosions in these structures:

Saturn horn keeps going off?


1.) Many electric manholes have transformers in them. Transformers can malfunction and overheat to the explosion point.

How many times can you fail Driver Test in PA?


2.) Gas from a leaking gas main will follow the path of least resistance and can end up in any manhole. A source of ignition can cause an explosion the manhole.

2003 camaro ss 330hp,six speed vs. 2006 mustang gt?

There is methane gas inside the sewer lines, and if the concentration is strong enough and there is a source of ignition they will explode.

Can some1 get info on this VIN 1G6DM57N430158174 - PLEASE!?

Usually it is the grids on sidewalks that go, and that is a massive electrical explosion. It is rare. If is is a manhole in the street that goes, it can be because of a gas leak into the storm drain.

Which Estate has the biggest boot? (Passat, Focus, Golf, Vectra)?

manhole covers don't cover potholes. they cover manholes, the areas that utility workers go into to do maintenance.

Variuos types of MSI of input data the system may use to & describe types of output reports managers find use?

they explode wen lame-o puts dynamite stix in the sewers.

What are the differences between mid-size cars and compact cars?

The manhole is the hole in the ground. The manhole cover is the cover to cover the manhole with.

Are there any advantages to having a Manual Transmission instead of an Automatic?


The gasses in the manhole or sewer explode and the manhole acts as a vent, or even a barrel. It's exactly like a popgun (with the cover as the cork).
More Questions & Answers ...

  • How many time will a car roll over at 100 MPH?
  • Being chased by someone in a mustang!!?
  • If your 18 and you just get your permit du you have to wait a year befor applying for your drivers licens?
  • Is a 2007 Suburban with a 6 ltr engine able to use E85 gasoline?
  • Does any one no whats wrong with the speedo on my 206 t reg?
  • Where can i buy something that can write on a car?
  • What does dumping the clutch mean?
  • Why does the battery in my 93 ISUZU RODEO keep draining?
  • What were the attractions called on the side of the higways back in the fifties and sixties?
  • What was your first car?

    • This article contents is post by this website user, CarQnA.com doesn't promise its accuracy.


    Copyright 2006-2008-2007 CarQnA.com. All Rights Reserved.