Q2/The following data for an IC engine:- mrod= 1.3 kg.Lord =200 mm.Cg of rod at 60 mm from crank pin centre.Mp =0.96kg.λ=0.25lf the piston area Ap=4x10-3 m2, engine speed 3000 RPM, the gas pressure given by the indicator diagram as shown in the following table
P Mpa о 0 150 -0.25 390 4.3 630 -0.8 720 0
the torque of the engine at TDC 157 N.m zero N zero N.m 157 N the torque of the engine at 630 -7855 7855 1233 -1233 the mass of connected rod affected on reciprocating part is 3.9 N 1.3 kg 0.39 Kg 0.39 N 5 points 10 points 10 points
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