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 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. Same Lower None of these Higher Same Lower None of these Higher ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key capable of tilting in a recess milled out in a shaft is known as Woodruff key Flat saddle key Hollow saddle key Feather key Woodruff key Flat saddle key Hollow saddle key Feather key ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways. 135° 160° 90° 180° 135° 160° 90° 180° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be 0.96 0.99 0.98 0.97 0.96 0.99 0.98 0.97 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A V-belt designated as B 4430 LP has 4430 mm as centre distance between pulleys 4430 mm as diameter of large pulley 4430 mm as nominal pitch length 4430 mm as diameter of small pulley 4430 mm as centre distance between pulleys 4430 mm as diameter of large pulley 4430 mm as nominal pitch length 4430 mm as diameter of small pulley ANSWER DOWNLOAD EXAMIANS APP