Internal Combustion Engines
Which of the following is false statement?Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following

Oil sludge in the engine crank case
Detonation
Piston ring and cylinder wear
Formation of hard coating on piston skirts

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Internal Combustion Engines
Which one of the following engines will have heavier flywheel than the remaining ones?

30 kW two-stroke diesel engine running at 750 r.p.m.
30 kW four-stroke diesel engine running at 750 r.p.m.
30 kW four-stroke petrol engine running at 1500 r.p.m.
30 kW two-stroke petrol engine running at 1500 r.p.m.

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