centric springs are constructed squared and ground ends from oil-hardened steel. The ultimate strength for the steel is 204,000 lbf/in2 . The steel's yield strength is to be estimated as 75% of the ultimate strength. The shear modulus for the steel is 11.5 x 106 bf/in . The springs support a static force of 150 lbf. The spring dimensions and properties are as follows: Inner spring Mean coil diameter: 1.5 in Wire diameter: 0.177 in Total number of coils: 12.75 Free length: 4.5 in Outer spring Mean coil diameter: 2.0 in Free length: 3.75 in Total number of coils: 10.25 Wire diameter: 0.2253 in A,The deflection of the inner spring is most nearly B. 2.4 in č. 2.9 in B. The maximum shear stress in the inner spring is most nearly B. 52 kips/in2 A. 2.0 in D. 3.1 in A. 47 kips/in2 C.57 kips/in2 D.64 kips/in2 C.The factor of safety in shear for the inner spring is most nearly С. 1.8 А. 1.2 В. 1.5 D. 2.2 D. Specify the winding helix direction for each spring. B right hand B C clockwise A parallel D reverse
centric springs are constructed squared and ground ends from oil-hardened steel. The ultimate strength for the steel is 204,000 lbf/in2 . The steel's yield strength is to be estimated as 75% of the ultimate strength. The shear modulus for the steel is 11.5 x 106 bf/in . The springs support a static force of 150 lbf. The spring dimensions and properties are as follows: Inner spring Mean coil diameter: 1.5 in Wire diameter: 0.177 in Total number of coils: 12.75 Free length: 4.5 in Outer spring Mean coil diameter: 2.0 in Free length: 3.75 in Total number of coils: 10.25 Wire diameter: 0.2253 in A,The deflection of the inner spring is most nearly B. 2.4 in č. 2.9 in B. The maximum shear stress in the inner spring is most nearly B. 52 kips/in2 A. 2.0 in D. 3.1 in A. 47 kips/in2 C.57 kips/in2 D.64 kips/in2 C.The factor of safety in shear for the inner spring is most nearly С. 1.8 А. 1.2 В. 1.5 D. 2.2 D. Specify the winding helix direction for each spring. B right hand B C clockwise A parallel D reverse
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Problem 1.1MA
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![Two concentric springs are constructed with squared and ground ends from oil-hardened steel.
The ultimate strength for the steel is 204,000 lbf/in2 . The steel's yield strength is to be estimated
as 75% of the ultimate strength. The shear modulus for the steel is 11.5 x 106 bf/in . The springs
support a static force of 150 Ibf. The spring dimensions and properties are as follows: Inner spring
Mean coil diameter: 1.5 in
Wire diameter: 0.177 in
Total number of coils: 12.75
Wire diameter: 0.2253 in
Free length: 4.5 in
Outer spring
Mean coil diameter: 2.0 in Free length: 3.75 in
Total number of coils: 10.25
A,The deflection of the inner spring is most nearly
В. 2.4 in
C. 2.9 in
B. The maximum shear stress in the inner spring is most nearly
B. 52 kips/in2
A. 2.0 in
D. 3.1 in
A. 47 kips/in2
C.57 kips/in2 D.64 kips/in2
C.The factor of safety in shear for the inner spring is most nearly
А. 1.2
D. Specify the winding helix direction for each spring.
A. parallel B. right hand B. C. clockwise
В. 1.5
С. 1.8
D. 2.2
D. reverse](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F15f59da7-9d26-4b7a-b4fb-90e68f5176bf%2F783c5fcc-f8df-4ffd-85e7-69f28e774aff%2F6evmk0o_processed.png&w=3840&q=75)
Transcribed Image Text:Two concentric springs are constructed with squared and ground ends from oil-hardened steel.
The ultimate strength for the steel is 204,000 lbf/in2 . The steel's yield strength is to be estimated
as 75% of the ultimate strength. The shear modulus for the steel is 11.5 x 106 bf/in . The springs
support a static force of 150 Ibf. The spring dimensions and properties are as follows: Inner spring
Mean coil diameter: 1.5 in
Wire diameter: 0.177 in
Total number of coils: 12.75
Wire diameter: 0.2253 in
Free length: 4.5 in
Outer spring
Mean coil diameter: 2.0 in Free length: 3.75 in
Total number of coils: 10.25
A,The deflection of the inner spring is most nearly
В. 2.4 in
C. 2.9 in
B. The maximum shear stress in the inner spring is most nearly
B. 52 kips/in2
A. 2.0 in
D. 3.1 in
A. 47 kips/in2
C.57 kips/in2 D.64 kips/in2
C.The factor of safety in shear for the inner spring is most nearly
А. 1.2
D. Specify the winding helix direction for each spring.
A. parallel B. right hand B. C. clockwise
В. 1.5
С. 1.8
D. 2.2
D. reverse
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