Machine Design According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be 63 to 70% 80 to 90% 70 to 83% 45 to 60% 63 to 70% 80 to 90% 70 to 83% 45 to 60% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Screw jack Aeroplane engines Steering mechanism Crane Screw jack Aeroplane engines Steering mechanism Crane ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum shear stress theory Maximum principal stress theory Maximum distortion energy theory Maximum strain energy theory Maximum shear stress theory Maximum principal stress theory Maximum distortion energy theory Maximum strain energy theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Decreases Remains unchanged None of these Increases Decreases Remains unchanged None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design The design of shafts made of brittle materials is based on Guest's theory St Venant's theory Von Mises theory Rankine's theory Guest's theory St Venant's theory Von Mises theory Rankine's theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as Both the ends fixed Both the ends hinged One end fixed and the other end free One end fixed and the other end hinged Both the ends fixed Both the ends hinged One end fixed and the other end free One end fixed and the other end hinged ANSWER DOWNLOAD EXAMIANS APP
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