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- Subject
- Hydraulic Machinesmechanical-engineering-mcqs › hydraulic-machines
- Published
- 23 Jan 2019
- Last updated
- 28 May 2026
Explanation
The best efficiency in centrifugal pumps is attained when the blades are bent backward. Straight blades, forward-curved blades, radial blades, or those with aerofoil sections do not provide maximum efficiency compared to backward-curved blades.
More Hydraulic Machines MCQs
Practice related questions from the same subject.
- 1.What type of flow does water exhibit as it exits the impeller inside a centrifugal pump casing?
- 2.Which type of pump is most suitable for handling extremely high flow rates at low pressure, commonly used in flood management and irrigation?
- 3.What type of pump is indicated by a high specific speed value?
- 4.What type of turbine is indicated by a low specific speed?
- 5.What is meant by the runaway speed of a hydraulic turbine?
- 6.Which type of turbine is characterized by having a medium-specific speed?
- 7.How is the specific speed of a turbine defined in terms of its operational parameters?
- 8.What additional feature distinguishes a turbine pump from a standard centrifugal pump?
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