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Q1. An engine runs at 720 rev/min and has two connecting rods attached to a single crank-pin A as shown in Fig Q8. The longitudinal axis of each cylinder is inclined at 30° to the vertical and the stroke for each piston is 480 mm. The connecting rod length is 600 mm. The crank-pin is 60° before its top position and moving clockwise. Determine EACH of the following:

(a) the instantaneous linear velocity of piston X;

(b) the instantaneous linear velocity of piston Y.