Machine Design The maximum efficiency of a square threaded screw is (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of caulking in a riveted joint is to make the joint Free from stress Leak-proof Stronger in tension Free from corrosion Free from stress Leak-proof Stronger in tension Free from corrosion ANSWER DOWNLOAD EXAMIANS APP
Machine Design Buttress threads are usually found on Screw cutting lathes Feed mechanisms Spindles of bench vices Railway carriage couplings Screw cutting lathes Feed mechanisms Spindles of bench vices Railway carriage couplings 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material commonly used for crane hooks is Cast iron Aluminium Wrought iron Mild steel Cast iron Aluminium Wrought iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, Both (A) and (B) None of these It is worked below recrystallization temperature Its hardness and strength increases Both (A) and (B) None of these It is worked below recrystallization temperature Its hardness and strength increases ANSWER DOWNLOAD EXAMIANS APP
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