on 8. 12) Compression strength equal tensile strength for materials a. cast b. f
ID: 2087881 • Letter: O
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on 8. 12) Compression strength equal tensile strength for materials a. cast b. ferrous c. plastic d. concrete 9. (2) Fatigue strength is generally significantly improved by using highsteel a alloy b. yleld c hardened d ultimate e. all of these 10. (2) Hot rolled steel is a. stronger b. weaker more fatigue tolerant c. d. tougher 11. (2) Issues to consider for shaft layout include a. b. c. d. e. supporting axial loads providing torque transmission assembly and disassembly none of these all of these 12. (2) What loading condition do both MNS and MSS produce the same factor of safety? a. pure torque b. pure axial tension c. combined bending and torque d. pure transverse shear none of these e. 13. (2) Pulleys transfer torque a. by slipping on a shaft b. through one chain c by differential belt tension d. all of these e. none of these 14. (2) Factor of Safety can be characterized by the ratio oftostress a. cyclic distributed b. tensile compressive c. actual yield d. ultimate actual none of these e. 15 (2) Infinite life endurance strength is generally half of ultimate strength for materials a. ferrous b. aluminum c. concrete d. plasticsExplanation / Answer
(8)(b) Ferrous
(9)(e) All of these
(10) Weaker
(11)(e) All of the above
(12) (d) pure transverse shear
(13)(C) by diffrential belt tension
(14)(d) Ultimate to actual
(15)(a) Ferrous
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