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GATE Questions with solutions: Pumping Power Video Lecture | Topper Handwritten Notes & Videos for GATE ME - Mechanical Engineering

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FAQs on GATE Questions with solutions: Pumping Power Video Lecture - Topper Handwritten Notes & Videos for GATE ME - Mechanical Engineering

1. What is pumping power?
Ans. Pumping power refers to the amount of power required to operate a pump and move a fluid through a system. It is the energy consumed by a pump to overcome the resistance offered by the system and deliver the desired flow rate.
2. How is pumping power calculated?
Ans. Pumping power can be calculated using the formula: Power = (Flow rate x Head)/Efficiency. Here, flow rate is the volume of fluid being pumped per unit time, head is the energy required to lift the fluid to a certain height, and efficiency is the ratio of actual power output to the power input.
3. Why is pumping power important in fluid systems?
Ans. Pumping power is important in fluid systems as it determines the energy consumption, operating costs, and efficiency of the pumping process. Understanding the pumping power requirement helps in selecting the right pump for a given system, optimizing energy usage, and ensuring the system operates effectively.
4. How can pumping power be reduced?
Ans. Pumping power can be reduced by various means such as optimizing the system design, minimizing pipe friction through proper sizing and layout, reducing pressure losses, using more efficient pumps, and implementing advanced control strategies. Regular maintenance and monitoring also help in identifying and addressing any inefficiencies.
5. What are some common challenges in estimating pumping power?
Ans. Some common challenges in estimating pumping power include accurately determining the system characteristics, accounting for variations in fluid properties, considering the effect of pipe fittings and valves, accounting for elevation changes, and accounting for transient conditions. It is important to consider these factors to ensure accurate estimation of pumping power and efficient system operation.
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