Machine Design A sliding bearing which operates without any lubricant present, is called Hydrostatic lubricated bearing Hydrodynamic lubricated bearing Boundary lubricated bearing Zero film bearing Hydrostatic lubricated bearing Hydrodynamic lubricated bearing Boundary lubricated bearing Zero film bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Surface endurance limit of gear material is dependent upon its Yield strength Brinell hardness number Toughness Elastic strength Yield strength Brinell hardness number Toughness Elastic strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Decreases markedly Depends on heat treatment carried out Remain same Increases markedly Decreases markedly Depends on heat treatment carried out Remain same Increases markedly ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 10 m/s 12.5 m/s 20 m/s 15 m/s 10 m/s 12.5 m/s 20 m/s 15 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress for carbon steel under static loading is generally taken as 2000-3000 kg/m² 3000-4000 kg/cm² 4000-4500 kg/cm² 7500-10,000 kg/cm² 2000-3000 kg/m² 3000-4000 kg/cm² 4000-4500 kg/cm² 7500-10,000 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue stress concentration factor is defined as All of these The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration All of these The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration ANSWER DOWNLOAD EXAMIANS APP