Machine Design The process which improves the machinability of steels, but lowers the hardness and tensile strength is Normalising Process annealing Spheroidising Full annealing Normalising Process annealing Spheroidising Full annealing ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings Grease required to be applied after some intervals Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Grease required to be applied after some intervals Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ball bearings are provided with a cage To facilitate slipping of balls To reduce friction To maintain the balls at a fixed distance apart To prevent the lubricant from flowing out To facilitate slipping of balls To reduce friction To maintain the balls at a fixed distance apart To prevent the lubricant from flowing out 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). 20 m/s 15 m/s 12.5 m/s 10 m/s 20 m/s 15 m/s 12.5 m/s 10 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as M8 M8 - 6d M6 M6 - 8d M8 M8 - 6d M6 M6 - 8d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is Compression coupling Muff coupling Flange coupling All of these Compression coupling Muff coupling Flange coupling All of these ANSWER DOWNLOAD EXAMIANS APP
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