Machine Design Cold working Increases the fatigue strength Decreases the fatigue strength Has no influence on fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Decreases the fatigue strength Has no influence on fatigue strength Alone has no influence on fatigue strength ANSWER DOWNLOAD EXAMIANS APP
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) (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) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given byWhere m = mass of belt per meter (kg/m)v = belt velocity (m/s)f = coefficient of frictiona = angle of wrap (radians) P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called Module Diametral pitch Normal pitch Axial pitch Module Diametral pitch Normal pitch Axial pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock resistance of steel is increased by adding Nickel Cobalt and molybdenum Chromium Nickel and chromium Nickel Cobalt and molybdenum Chromium Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. Lower Same None of these Higher Lower Same None of these Higher ANSWER DOWNLOAD EXAMIANS APP