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) = eᶠα P1 / P2 = e–ᶠα 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for single helical gears ranges from 35° to 50° 10° to 15° 15° to 20° 20° to 35° 35° to 50° 10° to 15° 15° to 20° 20° to 35° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pitch of threads on a Jock nut in comparison to pitch of nut is Finer Very fine Same Coarser Finer Very fine Same Coarser ANSWER DOWNLOAD EXAMIANS APP
Machine Design In radial bearings, the load acts __________ to the axis of rotation. Perpendicular None of these Parallel Both A and B Perpendicular None of these Parallel Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because The new belt will carry more than its share and result in short life Belts are available in sets Only one belt cannot be fitted with other used belts New and old belts will cause vibrations The new belt will carry more than its share and result in short life Belts are available in sets Only one belt cannot be fitted with other used belts New and old belts will cause vibrations ANSWER DOWNLOAD EXAMIANS APP
Machine Design The flank of the tooth is the Surface of the top of the tooth Surface of the tooth above the pitch surface Surface of the tooth below the pitch surface Width of the tooth measured along the pitch circle Surface of the top of the tooth Surface of the tooth above the pitch surface Surface of the tooth below the pitch surface Width of the tooth measured along the pitch circle ANSWER DOWNLOAD EXAMIANS APP
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