Machine Design The included angle in unified of American National threads is 29° 60° 55° 47° 29° 60° 55° 47° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increases the power transmitted Decreases the power transmitted Increases the belt tension without increasing power transmission Increase the wrap angle Increases the power transmitted Decreases the power transmitted Increases the belt tension without increasing power transmission Increase the wrap angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design Guest's theory of failure is applicable for following type of materials Plastic Brittle Elastic Ductile Plastic Brittle Elastic Ductile ANSWER DOWNLOAD EXAMIANS APP
Machine Design Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to Dynamic loading Completely reversed loading Combined static and dynamic loading Static loading Dynamic loading Completely reversed loading Combined static and dynamic loading Static loading ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) P1 + P2 [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) [(√P1 + √P2)/2]² P1 + P2 [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) [(√P1 + √P2)/2]² ANSWER DOWNLOAD EXAMIANS APP
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