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- Subject
- Hydraulic Machinesmechanical-engineering-mcqs › hydraulic-machines
- Published
- 23 Jan 2019
- Last updated
- 28 May 2026
Explanation
Runaway speed refers to the velocity reached by a hydraulic turbine when it is allowed to rotate without load and with the wicket gates fully open. This speed is critical as it indicates the maximum speed the turbine can achieve under no-load conditions.
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.Which type of turbine is characterized by having a medium-specific speed?
- 6.How is the specific speed of a turbine defined in terms of its operational parameters?
- 7.What additional feature distinguishes a turbine pump from a standard centrifugal pump?
- 8.What is the primary function of the draft tube in a reaction turbine?
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