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What causes ignition to occur in a diesel engine?
When the piston compresses the fuel-air mixture, the spark ignites it, causing combustion
How is a gasoline engine different from a diesel engine?
A gas engine ignites gasoline in the piston chamber with a spark from a spark plug. The expanding gas then pushes the piston out and the motor moves forward. A diesel engine uses diesel fuel, different from gasoline, and the fuel is compressed by the piston until it ignites, sending the piston out. There are no spark plugs in a a diesel engine. Some diesel engines will have "glow plugs" which are used to initially start the engine but once started, compressing the fuel is the method of ignition.
What is function of a piston in a diesel engine?
The piston has the same function whether diesel or petrol. The piston is forced down the cylinder when the petrol mixture ignites and expands. That in turn presses on the connecting rod which in turn pushes on the crankshaft. The crankshaft changes the up and down movement of the piston into a rotational movement which makes the car go.
What is the key difference between the piston action of an internal combustion engine and that of a compressed-air engine?
The internal combustion engine uses a fuel i.e petrol or diesel to cause compression when ignited ,when the fuel burns it causes compression of the piston. A compressed air engines power comes from an electric motor which forces the piston up and down to produce compressed air.
Why is their Diesel entering crank case?
There are several things that can cause diesel fuel to get into your crankcase. A broken piston ring is the most common cause.
Is diesel knock damaging?
The diesel knock is damaging because it will have a tremendous force on the main bearings and will cause excessive wear of the piston rings.
Why is diesel getting into the oil 2002 ford 7.3?
Your piston rings and/or your cylinders are worn. Unburnt diesel will be blown past the rings into the sump.
What causes a piston skirt to collapse?
Poor lubrication. Excessive rpm's. Defective piston. Problem with the wrist pin, bushing or piston rod.
What are the different types of piston engine according to cylinder head classification?
diesel engine
What is the difference in a diesel engine piston and a gas engine piston?
Currently, diesel engine pistons are typically made of steel - aluminum was used previously, as it had better heat sink properties, but metallurgy has improved steel enough to the point where it holds up fine now. The highest ring on current production diesel engines is at the top of the piston now - this was in response to emissions requirement. Gas engine pistons are flat at the top, as it is a spark which ignites the fuel/air mixture; diesel engine pistons often have the 'Mexican hat' at the top of the piston, as they ignite through compression.
What causes a 95 f250 diesel to use a gallon of oil a day?
If you cannot see a leak on the ground under the truck (and you should with this much oil) it sounds like the piston rings are pretty well worn out.
Why twin spark is used only in petrol engine?
Diesel engines do not use spark plugs to ignite the fuel. Instead they use the actual compression of the piston to ignite the fuel. To start a diesel engine a glow-plug is used, once the engine has started the compression causes the ignition. As a results of this diesel engine blocks are heavier to take the force of the ignition
