A 19 068 psi C 19 756 psi B 18 780 psi D 19 783 psi 16 Suppose that the force

# A 19 068 psi c 19 756 psi b 18 780 psi d 19 783 psi

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A 19 068 psi C 19 756 psi B 18 780 psi D 19 783 psi 16. Suppose that the force 50 lbs given causes a deflection of 1.25 in. Determine the number of active coils required if mean diameter is 1 in and wire diameter of 0.11 in. Use G = 11.5 x 10 6 lbs/in 2 A 8 coils C 5 coils B 11.2 coils D 6 coils 17. What the power would shaft of 55 in diameter transmit at 480 rpm. Consider stress allowed for short shaft is 59 N/mm 2 . A 42.12 kW C 96.88 kW B 50.61 kW D 39.21 kW 18. It is the difference between the size of a hole and a shaft required for assemblage when shaft size is bigger than the hole. A Interference C Fits B Clearance D Tolerance 19. A gear set has pinion with 20 teeth and a gear with 40 teeth. The pinion runs at 30 revs/s and transmits a power of 20 kW. The teeth are on the 20 deg full depth system and have a module of 5 mm. The length of the line of action is 19 mm. The contact ratio of the contacting tooth is A 1.21 C 1.29 B 1.25 D 1.33 20. A 20 deg full depth involute spur pinion of 4 mm module and 21 teeth is to transmit 15 kW at 960 rpm. Its face width is 25 mm. The tangential force transmitted is -------N. A 3552 C 1776 B 2611 D 1305

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