Machine Design A key way lowers The rigidity of the shaft Both the strength and rigidity of the shaft The strength of the shaft The ductility of the shaft The rigidity of the shaft Both the strength and rigidity of the shaft The strength of the shaft The ductility of the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strap end of a connecting rod of steam engine is joined by Spigot socket cotter joint Sleeve and cotter joint Gib of cotter joint Knuckle joint Spigot socket cotter joint Sleeve and cotter joint Gib of cotter joint Knuckle joint 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 = 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Its capability of storing energy Indication of quality of spring Load required to produce unit deflection Ratio of coil diameter to wire diameter Its capability of storing energy Indication of quality of spring Load required to produce unit deflection Ratio of coil diameter to wire diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/2 2W/3 8W/9 W/9 W/2 2W/3 8W/9 W/9 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is 420 to 450 More than 400 300 to 320 340 to 360 420 to 450 More than 400 300 to 320 340 to 360 ANSWER DOWNLOAD EXAMIANS APP