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Multiple Choice Questions
1. Pick up the correct statement from the following regarding radial flow centrifugal pumps :
(A): These are provided with volute type or turbine type casings
(B): In involute type of radial flow centrifugal pump, the impeller discharges into a gradually expanding spiral casing
(C): In turbine type of radial flow centrifugal pumps, the impeller is surrounded by stationary guide vanes to reduce the velocity of water
(D): The efficiency of turbine type of radial flow centrifugal pump, is always higher than that of volute type
(E): All the above.
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