Machine Design Which of the following screw thread is used for power transmission in one direction only? Acme threads Buttress threads Multiple threads Square threads Acme threads Buttress threads Multiple threads Square threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the Initial tension or external load, whichever is greater External load applied Sum of the initial tension and external load applied Initial tension Initial tension or external load, whichever is greater External load applied Sum of the initial tension and external load applied Initial tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, None of these It is worked below recrystallization temperature Both (A) and (B) Its hardness and strength increases None of these It is worked below recrystallization temperature Both (A) and (B) Its hardness and strength increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the Sum of the initial tension and external load applied Initial tension or external load, whichever is greater External load applied Initial tension Sum of the initial tension and external load applied Initial tension or external load, whichever is greater External load applied Initial tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 30 to 40% 10 to 20% 20 to 30% 40 to 50% 30 to 40% 10 to 20% 20 to 30% 40 to 50% ANSWER DOWNLOAD EXAMIANS APP
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