3. A motor A delivers 3000 hp to the shaft at 1500 rev/min, of which 1000 hp is removed by gear B and 2000 hp is removed by gear C. Determine (a) the maximum shear stress in the shaft, and (b) the angle of twist of end D relative to end A. If the desired angle of twist of end D to end A is 1º, determine (c) the power the motor should transmit considering the same rotational speed. Also, determine (d) the maximum stress in the shaft. Use G = 12 x 10° psi for steel, and assume that friction at bearing D is negligible. A 4 in. 3.5 in. 3.5 in. Tmax ODIA B C 6 ft- 4 ft- - 2 ft Tmax OD/A

3. A motor A delivers 3000 hp to the shaft at 1500 rev/min, of which 1000 hp is removed by gear B and 2000 hp is removed by gear C. Determine (a) the maximum shear stress in the shaft, and (b) the angle of twist of end D relative to end A. If the desired angle of twist of end D to end A is 1º, determine (c) the power the motor should transmit considering the same rotational speed. Also, determine (d) the maximum stress in the shaft. Use G = 12 x 10° psi for steel, and assume that friction at bearing D is negligible. A 4 in. 3.5 in. 3.5 in. Tmax ODIA B C 6 ft- 4 ft- - 2 ft Tmax OD/A

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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