13.
Metacentric height is given as the distance between

15.
The discharge of a liquid of kinematic viscosity 4 cm2/sec through a 8 cm dia-meter pipe is 3200π cm2/sec. The type of flow expected is

17.
Two dimensional flow occurs when

18.
Uniform flow occurs when

19.
Surface tension has the units of

20.
The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is

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