Answered: Considering Figure 20-8 (textbook), the…

Considering Figure 20-8 (textbook), the torsion geometry parameter, Jw, for case 4 when b-6 and d=9 is most likel O 562.5 O 283.5 184.1 572.6 392.6 400.5 60.8 O 386.0 O 279.0

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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Concept explainers

Design of Shafts and Shaft Components

The shaft is basically defined as the machine element that rotates, is in circular cross-section, it is majorly used to transfer the power from one part of the system to another, or from a power generating machine to a power absorbing machine. The shaft is supported on bearings and is rotated with the help of a set of gears or pulleys that are used for the power transmission. Bending moment, torsion, and an axial force act upon the shaft. Designing of shaft primarily involves determining stresses at a critical point in the shaft that is arising due to loading.

Question

Considering Figure 20-8 (textbook), the torsion geometry parameter, Jw, for case 4 when b=6 and d=9 is most likely:

		562.5
		283.5
		184.1
		572.6
		392.6
		400.5
		60.8
		386.0
		279.0

T
Aw=b+d
X =
y =
Weld-
b2
2(b +d)
d²
2(b + d)
At top: Sw
=
Weld
4bd + d²
6
d²(4b + d)
At bottom: Sw=6(2b + d)
ap
Weld-
Jw = (b + d)4 - 6b²d²
12(b +d)

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