Mechanical Engineering :: Internal Combustion Engines
- If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be
- Supercharging is essential in
- Which of the following statement is correct regarding petrol engines?
- The firing order in an I.C. engine depends upon
- A heat engine utilizes the
- In the opposed piston diesel engine, the combustion chamber is located
- A mixture containing 65% of iso-octane and 35% of normal heptane will have
- If the speed of the engine is increased, the indicated power will
- The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called
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A.
A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure |
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B.
The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug |
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C.
The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition |
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D.
All of the above |