Machine Design When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus. 15 times 10 times 5 times 20 times 15 times 10 times 5 times 20 times ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of endurance limit in shear to the endurance limit in flexure is 0.33 0.5 0.55 0.4 0.33 0.5 0.55 0.4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than 1.5 d d 2 d 2.5 d 1.5 d d 2 d 2.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tap bolt Has both the ends threaded Has head at one end and other end fits into a tapped hole in the other part to be joined Has pointed threads Has a head on one end and a nut fitted to the other Has both the ends threaded Has head at one end and other end fits into a tapped hole in the other part to be joined Has pointed threads Has a head on one end and a nut fitted to the other ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = 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 The lead angle of a worm is 22.5°. Its helix angle will be 67.5° 45° 22.5° 90° 67.5° 45° 22.5° 90° ANSWER DOWNLOAD EXAMIANS APP