Machine Design The shear plane in case of bolts should Be across threaded portion of shank Be parallel to axis of bolt Be normal to threaded portion of shank Never be across the threaded portion Be across threaded portion of shank Be parallel to axis of bolt Be normal to threaded portion of shank Never be across the threaded portion ANSWER DOWNLOAD EXAMIANS APP
Machine Design A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct? There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are five rivets per pitch length, all in double shear There are four rivets per pitch length, all in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are five rivets per pitch length, all in double shear There are four rivets per pitch length, all in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design Auto frettage is the method of Joining thick cylinders Calculating stresses in thick cylinders Pre-stressing thick cylinders Increasing the life of thick cylinders Joining thick cylinders Calculating stresses in thick cylinders Pre-stressing thick cylinders Increasing the life of thick cylinders ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be 70 to 83% 63 to 70% 45 to 60% 80 to 90% 70 to 83% 63 to 70% 45 to 60% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by Equating tearing resistance of the plate to the crushing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets None of these Equating tearing resistance of the plate to the shearing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets None of these Equating tearing resistance of the plate to the shearing resistance of the rivets 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) P1 + P2 [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS