Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. Greater than unity Equal to 1 Less than unity None of these Greater than unity Equal to 1 Less than unity None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is More than 50% Equal to 50% Less than 50% None of these More than 50% Equal to 50% Less than 50% None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is not correct procedure to increase the fatigue limit? Surface decarburisation Shot peening Cold working Under stressing Surface decarburisation Shot peening Cold working Under stressing ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is Flange coupling Compression coupling Muff coupling All of these Flange coupling Compression coupling Muff coupling All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Does not depend upon Is inversely proportional to Is equal to cos φ multiplied by Is directly proportional to Does not depend upon Is inversely proportional to Is equal to cos φ multiplied by Is directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Decrease with decrease in y Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Decrease with decrease in y Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations ANSWER DOWNLOAD EXAMIANS APP
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