Machine Design Screws used for power transmission should have Low efficiency High efficiency Strong teeth Very fine threads Low efficiency High efficiency Strong teeth Very fine threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing up to 0.15% carbon is known as Medium carbon steel High carbon steel Dead mild steel Mild steel Medium carbon steel High carbon steel Dead mild steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a spring is cut down into two springs, the stiffness of cut springs will be Double Half None of these Same Double Half None of these Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Increases Remains unchanged None of these Decreases Increases Remains unchanged None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Axial load plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Bending plus stress due to acceleration/retardation Axial load plus stress due to bending Axial load plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Bending plus stress due to acceleration/retardation Axial load plus stress due to bending ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/4 d/2 d/8 d/6 d/4 d/2 d/8 d/6 ANSWER DOWNLOAD EXAMIANS APP
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