Mechanical Engineering Exam > Mechanical Engineering Questions > Multi -stage centrifugal pumps are used toa)g...
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Multi -stage centrifugal pumps are used to
- a)give high discharge
- b)produce high heads
- c)pump viscous fluids
- d)all of these
Correct answer is option 'B'. Can you explain this answer?
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Multi -stage centrifugal pumps are used toa)give high dischargeb)produ...
Correct Answer :- b
Explanation : Within a multistage centrifugal pump, each impeller acts like a single-stage pump within a chain of pumps. As the liquid is propelled from one impeller to the next within the pump’s housing, the pressure of the liquid continuously increases as it passes through until it exits the pump.
By relying on multiple impellers to distribute the pressure-building load of the pump, multistage centrifugal pumps can generate greater power and pressure with smaller motors, using less energy.
The biggest advantage of centrifugal pumps is their aforementioned simplicity. They don't require any valves, or many moving parts. This makes them easy to produce with many different materials. It also allows them to move at high speeds with minimal maintenance.
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Multi -stage centrifugal pumps are used toa)give high dischargeb)produ...
Multi-stage centrifugal pumps are used to produce high heads. This is achieved by having multiple impellers arranged in series, with each impeller adding to the total head developed by the pump.
The following are the reasons why multi-stage centrifugal pumps are used to produce high heads:
1. Multiple impellers: Multi-stage centrifugal pumps have several impellers stacked on top of each other. Each impeller adds to the total head developed by the pump. This allows multi-stage centrifugal pumps to produce much higher heads than single-stage pumps.
2. Higher efficiency: Multi-stage centrifugal pumps are more efficient than single-stage pumps when pumping fluids at high heads. This is because the pressure developed by each impeller is added to the pressure developed by the previous impeller, resulting in a higher overall efficiency.
3. Versatility: Multi-stage centrifugal pumps are versatile and can be used for a variety of applications, including water supply, irrigation, and industrial processes. They can handle a wide range of flow rates and pressures, making them suitable for a range of applications.
In summary, multi-stage centrifugal pumps are used to produce high heads because of their multiple impellers, higher efficiency, and versatility.
The following are the reasons why multi-stage centrifugal pumps are used to produce high heads:
1. Multiple impellers: Multi-stage centrifugal pumps have several impellers stacked on top of each other. Each impeller adds to the total head developed by the pump. This allows multi-stage centrifugal pumps to produce much higher heads than single-stage pumps.
2. Higher efficiency: Multi-stage centrifugal pumps are more efficient than single-stage pumps when pumping fluids at high heads. This is because the pressure developed by each impeller is added to the pressure developed by the previous impeller, resulting in a higher overall efficiency.
3. Versatility: Multi-stage centrifugal pumps are versatile and can be used for a variety of applications, including water supply, irrigation, and industrial processes. They can handle a wide range of flow rates and pressures, making them suitable for a range of applications.
In summary, multi-stage centrifugal pumps are used to produce high heads because of their multiple impellers, higher efficiency, and versatility.
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Multi -stage centrifugal pumps are used toa)give high dischargeb)produce high headsc)pump viscous fluidsd)all of theseCorrect answer is option 'B'. Can you explain this answer?
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