vehicles ?
20. A two-stroke internal combustion engine has a piston diameter 110 mm and stroke length
of 140 mm. The mean effective pressure on the head of the piston is 6 bar. If it runs at a speed
of 1000 rpm, find the indicated power.
(13.30 kW)
20. A four-stroke I engine has a piston diameter of 150 mm and the average piston speed is 3.5
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Thus, the measurement of power involves the measurement of force (or torque) as well as speed. The power developed by an engine at the output shaft is called brake power and is given by Power = NT/60,000 in kW where T= torque in Nm = WR W = 9.81 * Net mass applied in kg.
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