1. The viscosity of a fluid is to be measured using a viscometer that consists of two, 85cm long, concentric cylinders. The outer diameter of the inner cylinder is 20cm and the gap between the two cyclinder is 0.15cm. The inner cylinder is rotated at 240 rpm and the torque required to rotate the inner cylinder is determined to be 1.5 N.m. Determine the viscosity of the oil in Pa.s. State your answer correct to 5 decimal places.

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