The diesel engine (also called a compression-ignition or ci engine), named after rudolf diesel, is an internal combustion engine in which ignition of the fuel, that is injected into the combustion chamber, is because of the accelerated temperature of the air in the cylinder because of the mechanical compression (adiabatic compression). Diesel engines work by means of compressing most effective the air. This increases the air temperature within the cylinder to any such high diploma that atomised diesel gas injected into the combustion chamber ignites spontaneously. This contrasts with spark-ignition engines including a petrol engine (gasoline engine) or gasoline engine (using a gaseous fuel rather than petrol), which use a spark plug to ignite an air-fuel combination. In diesel engines, glow plugs (combustion chamber pre-warmers) can be used to useful resource starting in bloodless climate, or whilst the engine makes use of a decrease compression-ratio, or each. The unique diesel engine operates on the "regular strain" cycle of slow combustion and produces no audible knock.
Diesel Mechanic Seaman Service Book Question Answers
Diesel mechanic is an engine employee/professional professional employee in the ship or some other enterprise. For the training of creating ssb (seaman carrier e book) for make profession in ships industries as a diesel mechanic, there may be a syllabus for coaching of the interview/examination. We also provide loose guidance direction for diesel mechanic examination education in hindi and urdu langauge. Please pick direction from under. The syllabus of diesel mechanic is mentioned/written beneath. You could also down load syllabus of diesel mechanic in pdf from below.
Download SSB Exam Guide for Diesel Mechanical
Diesel engine is an intravenous engine that produces ignition in the fuel by using heat generated from compressing air in closed space. Thus it is different from spark-ignition engines because they use spark-plugs to ignite the mixture of air and fuel. This is also called compression-ignition engine. Mechanical energy obtained from this (kinetic energy) is used in vehicles, generators and many other functions. It was searched in 1892 by German origin engineer Rudolph Diesel, who was born in Paris. In addition to other chemicals, it releases nitrogen and soot particles as a product of combustion, which pose a danger to pollution.
In this engine the air is first pressed, due to which its temperature increases. After this the diesel is released as soon as it starts to burn due to heat due to which the heat is born and it pushes the piston attached to it. For this reason speed is achieved which is used to do the desired work with the help of many gears and trains.
Diesel Mechanic in Ships
As long as the use of diesel in trucks, buses and train engines did not begin, it was unknown to universalization. Other uses of this were so important, but they did not have such life. Today diesel engines are being used in ships, generators, pumps, compressors, mills, rock clusters, soil removal machines, tractors etc. Diesel engine size and shape are different for different tasks.
Diesel Mechanic SSB Syllabus
The candidate should have a good knowledge of items listed below. He will be examined orally and passing marks are 50% for all. For exam preparation of diesel mechanic, please contact our engineers.
- Basic principles of diesel engine, timing diagram of 2-stroke and 4-stroke engine.
- Name and functions of various parts fitted on diesel engine.
- Practical knowledge in respect of overhauling of diesel engine including renewal of pistons and liners, adjustments of bearings and valve timings.
- Operation of fuel pumps, fuel valves, governors and other auxiliaries connected directly.
- Lubrication, fuel, starting, seavenging and cooling system of diesel engine.
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