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A Cylindrical Tank 8 M in Diameter and 8 M π\pi

Question 60

Multiple Choice

A cylindrical tank 8 m in diameter and 8 m high, with axis vertical, has 6 m of water in it. How many kilogram metres of work must be done to pump half the water in the tank to a height of 8 m above the top of the tank? (1 m3 of water weighs 1,000 kg.)


A) 648,000 π\pi kg . m
B) 552,000 π\pi kg . m
C) 432,000 π\pi kg . m
D) 496,000 π\pi kg . m
E) 5,409 600 π\pi kg . m

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