Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-third One-fourth Double One-half One-third One-fourth Double One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft) 2d + 20 mm 3.5d d + 17 mm 2d + 13 mm 2d + 20 mm 3.5d d + 17 mm 2d + 13 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key way lowers Both the strength and rigidity of the shaft The rigidity of the shaft The ductility of the shaft The strength of the shaft Both the strength and rigidity of the shaft The rigidity of the shaft The ductility of the shaft The strength of the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. None of these Lower Higher Same None of these Lower Higher Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase its length Tighten die bolt properly Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase its length Tighten die bolt properly Increase shank diameter ANSWER DOWNLOAD EXAMIANS APP