Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) P1 + P2 [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increases the belt tension without increasing power transmission Decreases the power transmitted Increases the power transmitted Increase the wrap angle Increases the belt tension without increasing power transmission Decreases the power transmitted Increases the power transmitted Increase the wrap angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in cyclic loading is more serious in Equally serious in both cases Depends on other factors Brittle materials Ductile materials Equally serious in both cases Depends on other factors Brittle materials Ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane. Half None of these Twice Thrice Half None of these Twice Thrice ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the assembly of pulley, key and shaft Key is made the weakest Key is made the strongest All the three are designed for equal strength Pulley is made the weakest Key is made the weakest Key is made the strongest All the three are designed for equal strength Pulley is made the weakest ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Is directly proportional to Does not depend upon Is equal to cos φ multiplied by Is inversely proportional to Is directly proportional to Does not depend upon Is equal to cos φ multiplied by Is inversely proportional to ANSWER DOWNLOAD EXAMIANS APP