Machine Design In hydrodynamic bearings The oil film pressure is generated only by the rotation of the journal Grease is used for lubrication The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal Grease is used for lubrication The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue stress concentration factor is defined as The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The product of the endurance limits with and without stress concentration All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The product of the endurance limits with and without stress concentration All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a riveted joint is equal to Ps /P Pc /P Least of Pt, Ps and Pc/P Pt /P Ps /P Pc /P Least of Pt, Ps and Pc/P Pt /P ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% ANSWER DOWNLOAD EXAMIANS APP
Machine Design In skew bevel gearing, the axes of shafts are Intersecting and the teeth are curved Non-intersecting and nonparallel and the teeth are curved None of these Non-intersecting and non-parallel and the teeth are straight Intersecting and the teeth are curved Non-intersecting and nonparallel and the teeth are curved None of these Non-intersecting and non-parallel and the teeth are straight ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis equation in gears is used to find the Shear stress Tensile stress in bending Fatigue stress Compressive stress in bending Shear stress Tensile stress in bending Fatigue stress Compressive stress in bending ANSWER DOWNLOAD EXAMIANS APP