Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 20 m/s 12.5 m/s 10 m/s 15 m/s 20 m/s 12.5 m/s 10 m/s 15 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 0.5 d 0.75 d 1.25 d d 0.5 d 0.75 d 1.25 d d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The algebraic difference between the maximum limit and the basic size is called Upper deviation Lower deviation Actual deviation Mean deviation Upper deviation Lower deviation Actual deviation Mean deviation 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 five rivets per pitch length, out of which four are in double shear and one is in single shear There are five 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 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 five 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 four rivets per pitch length, all in double shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a machine member is subjected to torsion, the torsional shear stress set up in the member is Maximum at both the centroidal axis and outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Maximum at both the centroidal axis and outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member ANSWER DOWNLOAD EXAMIANS APP
Machine Design If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as b/L b/2L 1 - (b/L) 1 - 2 b.L b/L b/2L 1 - (b/L) 1 - 2 b.L ANSWER DOWNLOAD EXAMIANS APP
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