more

loss

same

may be more or less depending on engine capacity

180°

125°

235°

200°

2-stroke petrol engine

4-stroke petrol engine

diesel engine

steam turbine.

Thermal efficiency of diesel engine i about 34%

Theoretically correct mixture of air am petrol is approximately 15 : 1

High speed compression engines operate on dual combustion cycle

S.I. engines are quality-governed engines.

exhaust will be smoky

piston rings would stick into piston grooves

exhaust temperature will be high

scavenging occurs.