A cylindrical vessel with closed bottom and open top is 0.9 m in diame – McqOptions

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1.	A cylindrical vessel with closed bottom and open top is 0.9 m in diameter. What is the rotational speed about its vertical axis (with closed bottom below and open top above) when the contained incompressible fluid will rise 0.5 m at the inner circumference of the vessel and a space of 0.4 m diameter have no fluid thereon? Take g = 10 m/s2
A.	650 rpm
B.	600 rpm
C.	580 rpm
D.	96 rpm
Answer» E.

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