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Discussion :: Internal Combustion Engines

  1. A diesel engine has

    2. A.

     1 valve
    B.

     2 valves
    C.

     3 valves
    D.

     4 valves

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    Answer : Option C

    Explanation :

    there are different valves used in a diesel engines. Now it depends on which valve numbers you want to know. Inlet valves - inlet valves generally allow the intake air to enter into the combustion chamber. These may generally vary from 1 to 2 per cylinder in numbers depending on air quantity and open timings. Exhaust valves - likewise they allow the exhaust gas to allow burnt out gas from chamber to exhaust manifold. They are also 1 to 2 per cylinder in numbers.

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