Machine Design Crowning on pulley helps In decreasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In increasing the slip of the belt In decreasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In increasing the slip of the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal pressure is 1 2 43832 4 1 2 43832 4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following formula is used in designing a connecting rod? Johnson's parabolic formula Euler's formula Johnson's straight line formula Rankine's formula Johnson's parabolic formula Euler's formula Johnson's straight line formula Rankine's formula ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between two parts Similar to stud Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between two parts Similar to stud Slotted for a screw driver and generally used with a nut 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 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, all in double 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 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, all in double shear ANSWER DOWNLOAD EXAMIANS APP
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