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1) A set of pipes are available with 50-mm inner-diameter and varying outer-diameters from 51 mm to 53 mm in 0.2 mm increments. A pipe from this set will be used connected to a motor to transmit a power of 110 kW when the pipe is turning at 6000/z rpm without exceeding an allowable stress of 12 MPa. What is the outer diameter of the lightest usable pipe for this cause?

1) A set of pipes are available with 50-mm inner-diameter and varying outer-diameters from 51 mm to 53 mm in 0.2 mm increments. A pipe from this set will be used connected to a motor to transmit a power of 110 kW when the pipe is turning at 6000/z rpm without exceeding an allowable stress of 12 MPa. What is the outer diameter of the lightest usable pipe for this cause?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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1) A set of pipes are available with 50-mm inner-diameter and varying outer-diameters from 51 mm to 53 mm in 0.2 mm increments. A pipe from this set will be used connected to a motor to transmit a power of 110 kW when the pipe is turning at 6000/z rpm without exceeding an allowable stress of 12 MPa, What is the outer diameter of the lightest usable pipe for this cause?
Transcribed Image Text:1) A set of pipes are available with 50-mm inner-diameter and varying outer-diameters from 51 mm to 53 mm in 0.2 mm increments. A pipe from this set will be used connected to a motor to transmit a power of 110 kW when the pipe is turning at 6000/z rpm without exceeding an allowable stress of 12 MPa, What is the outer diameter of the lightest usable pipe for this cause?
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