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  • Engr. Atif Abbasi
    very nice messages. thanks brother for sharing it. one humble point i will like to raise here just to continue this important informtion is that,,,,, imagine
    Message 1 of 1 , Jun 3, 2008
      very nice messages. thanks brother for sharing it. one humble point i will like to raise here just to continue this important informtion
      is that,,,,,"imagine if we (human beings) require petrol (any form of knowledge) to live....and we have not been injected
      with petrol...instead diesel (some other form of knowledge) is imposed on us...what will happen to us????"
      thanks again for the sharing of this nice knowledge. take care.

      The message has been sent to u because u are special to me.Thanks for reading.Be happy,keep smiling and keep living...
      with regards

      Engr.Atif Abbasi





      From: ali_qureshi23@...
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      CC: shahid1978@...
      Subject: USEFUL ARTICLE - READ IT.....
      Date: Wed, 4 Jun 2008 08:43:32 +0500



      Cell:- +92-345-8441786


      What if I put diesel fuel in an automobile that required unleaded fuel only?

      by Marshall Brain


      Suppose you were to pull up to a gas station in a distracted state of mind. For example, you're driving your three children plus three of their friends to the zoo and they're all screaming for ice cream. As a result of this distraction, you accidentally reach for the diesel fuel nozzle instead of the unleaded gasoline nozzle to fill your tank. What would happen?

      Diesel Engine Image Gallery

      pumping gas
      ©2007 Microsoft Corporation
      Pouring diesel fuel into an unleaded gas tank would be a big inconvenience, but it wouldn't destroy your car. See more diesel engine pictures.


      The first thing to recognize is that this scenario isn't possible in most cars. In any car manufactured in the last 25 years or so, there's a plate under the gas cap that prevents anything but the small unleaded-gasoline nozzle from fitting into the tank. When unleaded gasoline first appeared, this plate helped to prevent drivers from putting the leaded gasoline nozzle in -- the unleaded and leaded nozzles were different sizes. The diesel nozzle is even bigger than leaded nozzles were, so it would never fit in the gas tank of most cars. However, most motorcycles and trucks don't have this plate, so it's easy to make this mistake if you're driving one of those vehicles. And if you're driving an older car, there's no plate either.

      So say that you somehow filled a gasoline tank with diesel fuel. If you've ever compared gasoline to diesel fuel, you know that they smell different. They also feel different -- diesel fuel is oily. Like oil, diesel fuel doesn't evaporate like gasoline does. Plus, diesel fuel is heavier. A gallon of diesel is about a pound heavier than a gallon of gasoline.

      diesel fuel gas pump
      Photo courtesy stock.xchng
      A lot of diesel pumps are separated from the unleaded pumps, which could also prevent pumping the wrong fuel.

      If you had a gas tank full of diesel fuel, the fuel injectors in your engine would inject the diesel fuel into the engine's cylinders. The spark plugs would fire, but nothing would happen after that. Because the diesel fuel doesn't evaporate very well, the spark plugs would have nothing to ignite, and the engine would never start.

      To solve the problem, drain all of the diesel fuel out of the gas tank and refill it with gasoline. Then you would have to keep cranking the engine for a while to get the diesel out of the fuel lines and the injectors. Eventually the engine would start and run fine. There would be no damage.

      One obvious question from this discussion is: If diesel fuel won't burn in a gasoline engine, why does it burn in a diesel engine? There are two big differences between gas and diesel engines:

      ·   First, diesel engines have no spark plugs.

      ·   Second, they have much higher compression ratios. When the diesel engine compresses the air during its compression stroke, the air gets extremely hot. The diesel fuel is injected directly into this hot air, and it's hot enough to vaporize and ignite the diesel.





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