Machine Design The maximum efficiency of a square threaded screw is (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a square key made of mild steel, the shear and crushing strength are related as Shear strength is greater than crushing strength Shear strength is equal to crushing strength Shear strength is less than crushing strength None of these Shear strength is greater than crushing strength Shear strength is equal to crushing strength Shear strength is less than crushing strength None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt can be increased by Tightening it properly Increasing shank diameter Grinding the shank Making shank diameter equal to core diameter of thread Tightening it properly Increasing shank diameter Grinding the shank Making shank diameter equal to core diameter of thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cast iron pipes are mainly used For conveying steam In water and sewage systems All of these In pressure lubrication systems on prime movers For conveying steam In water and sewage systems All of these In pressure lubrication systems on prime movers 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 The material commonly used for crane hooks is Cast iron Mild steel Aluminium Wrought iron Cast iron Mild steel Aluminium Wrought iron ANSWER DOWNLOAD EXAMIANS APP