What is Compression Ratio? | Compression ratio of Petrol Engine and Diesel Engine

SOLVED:Consider the following measures: I. Increasing the compression ratio II. Increasing the intake air temperature III. Increasing the length of dimension of the cylinder IV. Increasing the engine speed The measures necessary to reduce the tendency to knock in CI engines would include (a) I, II, and III (b) I, II, and IV (c) I, III, and IV (d) II, III, and IV

Wankel compression ratio - The Technical Forum Archive