Discussion :: Internal Combustion Engines
- Pick up the false statement
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A.
Thermal efficiency of diesel engine is about 34% |
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B.
Theoretically correct mixture of air and petrol is approximately 15:1 |
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C.
High speed compression engines operate on dual combustion cycle |
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D.
S.I. engines are quality governed engines |
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Answer : Option D
Explanation :
In this system of governing, the quality of charge (i.e. air-fuel ratio of the mixture) is kept constant. But the quantity of mixture supplied to the engine cylinder is varied by means of a throttle valve which is regulated by the centrifugal governor through rack and pinion arrangement. Qualitative governing.
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