Machine Design According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as M6 M8 M6 - 8d M8 - 6d M6 M8 M6 - 8d M8 - 6d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following bearing is preferred for oscillating conditions? Taper roller bearing Double row roller bearing Angular contact single row ball bearing Needle roller bearing Taper roller bearing Double row roller bearing Angular contact single row ball bearing Needle roller bearing 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 = 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 P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increases the belt tension without increasing power transmission Increases the power transmitted Decreases the power transmitted Increase the wrap angle Increases the belt tension without increasing power transmission Increases the power transmitted Decreases the power transmitted Increase the wrap angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket) p = D sin (360°/T) p = D sin (180°/T) p = D sin (120°/T) p = D sin (90°/T) p = D sin (360°/T) p = D sin (180°/T) p = D sin (120°/T) p = D sin (90°/T) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Variation in properties of material from point to point in a member All of these Abrupt change of section Pitting at points or areas at which loads on a member are applied Variation in properties of material from point to point in a member All of these Abrupt change of section Pitting at points or areas at which loads on a member are applied ANSWER DOWNLOAD EXAMIANS APP
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