Machine Design The centre distance between two meshing involute gears is equal to Difference of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of pitch circle radii/cosφ Sum of base circle radii/cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is All of these Flange coupling Compression coupling Muff coupling All of these Flange coupling Compression coupling Muff coupling 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 - 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 Cold working Increases the fatigue strength Decreases the fatigue strength Has no influence on fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Decreases the fatigue strength Has no influence on fatigue strength Alone has no influence on fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design A saddle key __________ power through frictional resistance only. Either A or B Transmits Does not transmit None of these Either A or B Transmits Does not transmit None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to an external load, the stress induced in the bolt will be Combined tensile and shear stress Tensile stress Any one of these Shear stress Combined tensile and shear stress Tensile stress Any one of these Shear stress ANSWER DOWNLOAD EXAMIANS APP