Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 22.5° 90° 67.5° 45° 22.5° 90° 67.5° 45° 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, all in double 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, 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, 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, out of which four are in double shear and one is in single shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design The design of shafts made of brittle materials is based on Guest's theory Von Mises theory St Venant's theory Rankine's theory Guest's theory Von Mises theory St Venant's theory Rankine's theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(Pmax / 3m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / m) √(Pmax / 3m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a multiple V-belt drive, if one of the belts break, then The broken belt need not to be replaced The broken belt and the belt on either side of it, is replaced Only the broken belt is replaced The entire set of belts is replaced The broken belt need not to be replaced The broken belt and the belt on either side of it, is replaced Only the broken belt is replaced The entire set of belts is replaced ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will Move towards right of the bearing making the metal to metal contact Have contact at the bottom most of the bearing Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Move towards right of the bearing making the metal to metal contact Have contact at the bottom most of the bearing 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