পিস্টন ব্যবহার করা হয় কোন ইঞ্জিনে?
Solution
Correct Answer: Option C
In a diesel engine, fuel is introduced as the piston approaches the top dead centre of its stroke. The fuel is introduced under high pressure either into a precombustion chamber or directly into the piston-cylinder combustion chamber. With the exception of small, high-speed systems, diesel engines use direct injection.
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