The main aims of an engine management system is to achieve

Related MCQs

• 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.
• In a horizontal engine, reciprocating parts are accelerated when the piston moves from
• In a horizontal engine, reciprocating parts are retarded when the piston moves from
• In a horizontal engine, the weight of the reciprocating parts also add/subtract to the piston effort.
• 45 N/mm2. The connecting rod length between centres is 1.2 m and the cylinder bore is 0.5 m. If the engine runs at 250 r.p.m. and if the effect of piston rod diameter is neglected, calculate the net load on piston.
• For a multicylinder engine, the coefficient of fluctuation of speed would vary with
• In the turning moment diagram of a multicylinder engine, the work done during exhaust stroke is by  
• For a 4 cylinder engine, when the pressure inside the cylinders exceeds the atmospheric pressure then.
• Secondary forces in reciprocating mass on engine frame are