Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kt - 1)/ (Kf - 1) (Kf - 1)/ (Kt - 1) (Kf + 1)/ (Kt + 1) (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) (Kf - 1)/ (Kt - 1) (Kf + 1)/ (Kt + 1) (Kt + 1)/ (Kf + 1) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. Upper surface Neutral surface None of these Lower surface Upper surface Neutral surface None of these Lower surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. Higher Lower Same None of these Higher Lower Same None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When compared to the rod of the same diameter and material, a wire rope Has a much smaller load carrying capacity Is less flexible Does not provide much warning before failure Provides much greater time for remedial action before failure Has a much smaller load carrying capacity Is less flexible Does not provide much warning before failure Provides much greater time for remedial action before failure ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length) (π/4) d² × τ × n 3 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n (π/4) d² × τ × n 3 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of a boiler plate are bevelled to an angle of 30° 60° 45° 80° 30° 60° 45° 80° ANSWER DOWNLOAD EXAMIANS APP