PPSCFPSCNTSPakistan govt jobs
- Subject
- Hydraulic Machinesmechanical-engineering-mcqs › hydraulic-machines
- Published
- 23 Jan 2019
- Last updated
- 28 May 2026
Explanation
The draft tube in a reaction turbine serves to convert the kinetic energy of the water exiting the runner into pressure energy by gradually expanding the flow cross-section, which helps recover energy and improve efficiency.
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?
More in Mechanical Engineering Mcqs
- Compressors, Gas Turbines and Jet Engines
- Engineering Materials
- Engineering Mechanics
- Fluid Mechanics
- Heat Transfer
- I.C. Engines
- Machine Design
- Nuclear Power Plants
- Production Technology
- Refrigeration and Air Conditioning
- Steam Boilers, Engines, Nozzles and Turbines
- Strength of Materials
- Theory of Machines
- Thermodynamics
- Workshop Technology