4-stroke engine has one power stroke per 2 revolutions hence turning moment diagram is uniform.

Related MCQs

• In the turning moment diagram of a multicylinder engine, the work done during exhaust stroke is by              
• A negative loop is formed in the turning moment diagram because the pressure inside the cylinder is                than the atmospheric pressure.
• When the work is by on the gases, which of the following effect is observed on the turning moment diagram?
• While drawing the turning moment diagram, which of the forces in not taken into account?
• In the given turning moment diagram, the process X is known as              
• For the given data of an Internal combustion engine : Mass of parts = 180 kg bore = 175 mm, length of stroke = 200 mm, engine speed = 500 r.p.m., length of connecting rod = 400 mm and crank angle = 60° from T.D.C, find the inertia force.
• 4 strokes engine have a lower thermal efficiency than 2 stroke engine.
• Calculate the work done per minute by a punch tool making 20 working strokes per min when a 30 mm diametre hole is punched in 5 mm thick plate with ultimate shear strength og 450 Mpa in each stroke.
• Which of the following process is not the part of working of a 4 stroke I.C Engine?
• Work produced by the 4-stroke engine is less because