Which of the following options is correct about four-stroke engines when compared with two-stroke engines?

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General Studies · IC Engines

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

Thermal efficiency is higher.

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Answer 1

Lower volumetric efficiency due to lesser time taken for mixture intake.

Answer 2

Light weight and simplicity due to absence of the valve actuating mechanism, with the initial cost of the engine being low.

Answer 3

Thermal efficiency is higher.

Answer 4

The thermodynamic cycle is completed in two strokes of the piston or in one revolution of the crankshaft.

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