Machine Design In order to withstand resistance to wear, the best profile of gear is 20° full depth involute tooth 20° involute stub tooth 14½° stub tooth 14½° full depth involute tooth 20° full depth involute tooth 20° involute stub tooth 14½° stub tooth 14½° full depth involute tooth ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Similar to stud Slotted for a screw driver and generally used with a nut Used to prevent relative motion between two parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Slotted for a screw driver and generally used with a nut Used to prevent relative motion between two parts Similar to small size tap bolts except that a greater variety of shapes of heads are available 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 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design In standard taper roller bearings, the angle of taper of outer raceway is 15° 5° 8° 25° 15° 5° 8° 25° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Both the shafts are equally good None of these Shaft B is better than shaft A Shaft A is better than shaft B Both the shafts are equally good None of these Shaft B is better than shaft A Shaft A is better than shaft B 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 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS