6. The motor delivers 40 hp to the 304 stainless steel shaft while it rotates at 20 Hz. The shaft is supported on smooth bearings at A and B, which allow free rotation of the shaft. The gears C and D fixed to the shaft remove 25 hp and 15 hp, respectively. Determine the diameter of the shaft to the nearest 1/8 in. if the allowable stress is Tallow = 8ksi and the allowable angle of twist of C with respect to D is 0.20°. %3D 10 in. B 8 in. 6 in.
6. The motor delivers 40 hp to the 304 stainless steel shaft while it rotates at 20 Hz. The shaft is supported on smooth bearings at A and B, which allow free rotation of the shaft. The gears C and D fixed to the shaft remove 25 hp and 15 hp, respectively. Determine the diameter of the shaft to the nearest 1/8 in. if the allowable stress is Tallow = 8ksi and the allowable angle of twist of C with respect to D is 0.20°. %3D 10 in. B 8 in. 6 in.
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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Question
Answer only question number 6

Transcribed Image Text:4. Draw the shear and moment diagrams for the beam and determine the shear and moment
throughout the beam as functions of x.
10 kip
8 kip
2 kip/ft
40 kip-ft
6 ft
4 ft
5. The solid steel shaft DF has a diameter of 25 mm and supported by smooth bearings at D
and E. It is coupled to a motor at F, which delivers 12kW of power to the shaft while it is
turning at 50rev/s. If gears A, B, and C remove 3 kW, 4kW, and 5 kW respectively,
determine the maximum shear stress developed in the shaft within regions CF and BC .
The shaft is free to turn in its support bearings D and E.
12 kW
5 kW
25 mm
3 kW 4 kW
"A
B
D
E F
6. The motor delivers 40 hp to the 304 stainless steel shaft while it rotates at 20 Hz. The
shaft is supported on smooth bearings at A and B, which allow free rotation of the shaft.
The gears C and D fixed to the shaft remove 25 hp and 15 hp, respectively. Determine the
diameter of the shaft to the nearest 1/8 in. if the allowable stress is Tallow = 8ksi and the
allowable angle of twist of C with respect to D is 0.20°.
10 in.
B
8 in.
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