Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

Vortex flow
Steady flow
Uniform flow
Turbulent flow

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Hydraulics and Fluid Mechanics in ME
Slip of a reciprocating pump is negative, when

Suction pipe is long and delivery pipe is short and the pump is running at high speeds
Suction pipe is short and delivery pipe is long and the pump is running at low speeds
Suction pipe is short and pump is running at low speeds
Delivery pipe is long and pump is running at high speeds

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