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 estimatedas 75% of the ultimate strength. The shear modulus for the steel is 11.5 x 106 bf/in . The springssupport a static force of 150 Ibf. The spring dimensions and properties are as follows: Inner springMean coil diameter: 1.5 inWire diameter: 0.177 inTotal number of coils: 12.75Wire diameter: 0.2253 inFree length: 4.5 inOuter springMean coil diameter: 2.0 in Free length: 3.75 inTotal number of coils: 10.25A,The deflection of the inner spring is most nearlyВ. 2.4 inC. 2.9 inB. The maximum shear stress in the inner spring is most nearlyB. 52 kips/in2A. 2.0 inD. 3.1 inA. 47 kips/in2C.57 kips/in2 D.64 kips/in2C.The factor of safety in shear for the inner spring is most nearlyА. 1.2D. Specify the winding helix direction for each spring.A. parallel B. right hand B. C. clockwiseВ. 1.5С. 1.8D. 2.2D. 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

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

Section: Chapter Questions

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 lbf/in². The springs support a static force of 150 lbf. The spring dimensions and properties are as follows: Inner spring Wire diameter: 0.177 in Mean coil diameter: 1.5 in Total number of coils: 12.75 Free length: 4.5 in Outer spring Mean coil diameter: 2.0 in Wire diameter: 0.2253 in Free length: 3.75 in Total number of coils: 10.25 1. The deflection of the inner spring is most nearly A. 2.0 in B. 2.4 in C. 2.9 in D. 3.1 in 2.The maximum force exerted by the inner spring is most nearly A. 57 lbf B. 67 lbf C. 79 lbf D. 86 lbf 3. The maximum shear stress in the inner spring is most nearly A. 47 kips/in² B. 52 kips/in² C. 57 kips/in² D. 64 kips/in² 4. The factor of safety in shear for the inner spring is most nearly…
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