Task 11a The tank with a diameter of 4 and a height of 2m is filled with a double-acting piston pump in 30 minutes. The diameter of the plunger is 200mm, the diameter of the rod is 60mm, the radius of the crank is 150mm. Shaft rotation speed n rpm. Find the pump feed rate. a) n = 50 rpm, b) n = 60 rpm, c) n = 70 rpm

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