Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/6 d/8 d/2 d/4 d/6 d/8 d/2 d/4 ANSWER DOWNLOAD EXAMIANS APP
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) [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) P1 + P2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts are weakest elements Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts are weakest elements Bolts will not loosen during service ANSWER DOWNLOAD EXAMIANS APP
Machine Design An alien bolt is Used in high speed components Self locking bolt Same as stud Provided with hexagonal depression in head Used in high speed components Self locking bolt Same as stud Provided with hexagonal depression in head ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at high speed in a bearing, it will Have contact at the bottom most of the bearing Move towards right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design The wire ropes make contact at Bottom of groove of the pulley Sides of groove of the pulley Sides and bottom of groove of the pulley Anywhere in the groove of the pulley Bottom of groove of the pulley Sides of groove of the pulley Sides and bottom of groove of the pulley Anywhere in the groove of the pulley ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS