Machine Design Which of the following screw thread is used for power transmission in one direction only? Multiple threads Square threads Acme threads Buttress threads Multiple threads Square threads Acme threads Buttress threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by belt drive depends upon All of these Initial belt tension Arc of contact Belt velocity All of these Initial belt tension Arc of contact Belt velocity ANSWER DOWNLOAD EXAMIANS APP
Machine Design In levers, leverage is the ratio of Load lifted to the effort applied Effort arm to the load arm Load arm to the effort arm Mechanical advantage to the velocity ratio Load lifted to the effort applied Effort arm to the load arm Load arm to the effort arm Mechanical advantage to the velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Shaft B is better than shaft A Shaft A is better than shaft B Both the shafts are equally good None of these Shaft B is better than shaft A Shaft A is better than shaft B Both the shafts are equally good None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Variation in properties of material from point to point in a member Abrupt change of section Pitting at points or areas at which loads on a member are applied All of these Variation in properties of material from point to point in a member Abrupt change of section Pitting at points or areas at which loads on a member are applied All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that It is more stretched than the outer side during the manufacturing process It is subjected to a higher cyclic loading than the outer side It has a lower curvature than the outer side It is subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process It is subjected to a higher cyclic loading than the outer side It has a lower curvature than the outer side It is subjected to a higher stress than the outer side ANSWER DOWNLOAD EXAMIANS APP
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