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 Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) p.t.σt p.d.σt (p - d) t.σt p.t.σt p.d.σt (p - d) t.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The wire ropes make contact at Sides and bottom of groove of the pulley Sides of groove of the pulley Bottom of groove of the pulley Anywhere in the groove of the pulley Sides and bottom of groove of the pulley Sides of groove of the pulley Bottom of groove of the pulley Anywhere in the groove of the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 24 kN/m 30 kN/m 6 kN/m 12 kN/m 24 kN/m 30 kN/m 6 kN/m 12 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The sleeve or muff coupling is designed as a Hollow shaft Dun cylinder Solid shaft Thick cylinder Hollow shaft Dun cylinder Solid shaft Thick cylinder ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure High load lifting capacity Low efficiency High mechanical advantage High efficiency High load lifting capacity Low efficiency High mechanical advantage High efficiency ANSWER DOWNLOAD EXAMIANS APP