IC Engine Multiple Choice Questions and Answers


1. In a diesel engine,the fuel is injected by.......


   A.Spark

   B.Injected fuel

   C.Ignitor

   D.Heat resulting from compression air that is supplied from combustion


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D.Heat resulting from compression air that is supplied from combustion

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2. Compression ratio of I.C. engine is.......


   A.The ratio of volumes of air in cylinder before compression stroke and after compression ratio

   B.Volume displaced by piston per stroke and clearance volume in cylinder

   C.Ratio of pressure after compression and before compression

   D.None of the above


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A.The ratio of volumes of air in cylinder before compression stroke and after compression ratio

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3. A carburettor is used to supply........


   A.Petrol,air and lubricating oil

   B.Air and diesel

   C.Petrol and lubricating oil

   C.Petrol and air


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D.Petrol and air

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4. A diesel engine has......


   A.One valve

   B.Two valve

   C.Three valve

   D.Four valve


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C.Three valve

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5. If petrol is used in diesel engine then.......


   A.Low power will be produced

   B.Efficiency will be low

   C.Higher knocking will occur

   D.Black smoke will be produced


✔ View Answer


C.Higher knocking will occur

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