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- Subject
- Hydraulic Machinesmechanical-engineering-mcqs › hydraulic-machines
- Published
- 23 Jan 2019
- Last updated
- 28 May 2026
Explanation
For starting an axial flow pump, the discharge valve must be fully open to ensure smooth flow and prevent damage. Keeping the valve closed or partially open can cause excessive pressure buildup and harm the pump.
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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