1. A hydraulic turbine generates 50, 000 hp at 75 rpm with a head of 100 f t. Find the specific speed and use Figure 12.16 to determine what type of turbine is being used. 2. A hydraulic turbine operates at a specific speed of 100 (U.S. customary units) and delivers 500 kW with a head of 10 m. What type of turbine is being used, and what is the rotational speed necessary to give the optimum efficiency? 3. When it operates at peak efficiency, a turbine delivers 25, 000 hp at a speed of 450 rpm with a head of 4500 f t. What type of turbine is being used? Estimate the flow rate and the size of the machine, assuming there are no losses in the flow upstream of the turbine.
1. A hydraulic turbine generates 50, 000 hp at 75 rpm with a head of 100 f t. Find the specific speed and use Figure 12.16 to determine what type of turbine is being used. 2. A hydraulic turbine operates at a specific speed of 100 (U.S. customary units) and delivers 500 kW with a head of 10 m. What type of turbine is being used, and what is the rotational speed necessary to give the optimum efficiency? 3. When it operates at peak efficiency, a turbine delivers 25, 000 hp at a speed of 450 rpm with a head of 4500 f t. What type of turbine is being used? Estimate the flow rate and the size of the machine, assuming there are no losses in the flow upstream of the turbine.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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1. A hydraulic turbine generates 50, 000 hp at 75 rpm with a head of 100 f t. Find the specific speed and use Figure 12.16 to determine what type of turbine is being used.
2. A hydraulic turbine operates at a specific speed of 100 (U.S. customary units) and delivers 500 kW with a head of 10 m. What type of turbine is being used, and what is the rotational speed necessary to give the optimum efficiency?
3. When it operates at peak efficiency, a turbine delivers 25, 000 hp at a speed of 450 rpm with a head of 4500 f t. What type of turbine is being used? Estimate the flow rate and the size of the machine, assuming there are no losses in the flow upstream of the turbine.
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