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Caster oil, which has a density of 0.96 × 10 3 kg/m 3 at room temperature, is forced through a pipe of circular cross section by a pump that maintains a gauge pressure of 950 Pa. The pipe has a diameter of 2.6 cm and a length of 65 cm. The castor oil emerging from the free end of the pipe at atmospheric pressure is collected. After 90 s, a total of 1.23 kg has been collected. What is the coefficient of viscosity of the castor oil at this temperature?

Caster oil, which has a density of 0.96 × 103 kg/m3 at room temperature, is forced
through a pipe of circular cross section by a pump that maintains a gauge pressure of
950 Pa. The pipe has a diameter of 2.6 cm and a length of 65 cm. The castor oil
emerging from the free end of the pipe at atmospheric pressure is collected. After 90
s, a total of 1.23 kg has been collected. What is the coefficient of viscosity of the
castor oil at this temperature?

 

Grade:12

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