Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Decreases markedly Increases markedly Depends on heat treatment carried out Remain same Decreases markedly Increases markedly Depends on heat treatment carried out Remain same ANSWER DOWNLOAD EXAMIANS APP
Machine Design Yield point in fatigue loading as compared to static loading is Same Higher Depends on other factors Lower Same Higher Depends on other factors Lower ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant 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 equal to cos φ multiplied by Is directly proportional to Is inversely proportional to Does not depend upon Is equal to cos φ multiplied by Is directly proportional to Is inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Machine Design The period during which the cam follower remains at rest, when cam moves, is known as Idle period Fixed period Constant period Dwell period Idle period Fixed period Constant period Dwell period ANSWER DOWNLOAD EXAMIANS APP
Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by ZN/p Z/pN p/ZN N/Zp ZN/p Z/pN p/ZN N/Zp ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS