Machine Design The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be 2εc + εl εc + εl² εc² + εl εc + 2εl 2εc + εl εc + εl² εc² + εl εc + 2εl ANSWER DOWNLOAD EXAMIANS APP
Machine Design Failure of a material is called fatigue when it fails At the yield point Below the yield point Below the elastic limit At the elastic limit At the yield point Below the yield point Below the elastic limit At the elastic limit ANSWER DOWNLOAD EXAMIANS APP
Machine Design Turn buckle has No threads Left hand threads on one end and right hand threads on other end Left hand threads on both ends Right hand threads on bout ends No threads Left hand threads on one end and right hand threads on other end Left hand threads on both ends Right hand threads on bout ends ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Remains unchanged Increases None of these Decreases Remains unchanged Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.2 0.65 0.35 0.5 0.2 0.65 0.35 0.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 30 to 40% 10 to 20% 40 to 50% 20 to 30% 30 to 40% 10 to 20% 40 to 50% 20 to 30% ANSWER DOWNLOAD EXAMIANS APP