Machine Design The shock resistance of steel is increased by adding Cobalt and molybdenum Chromium Nickel Nickel and chromium Cobalt and molybdenum Chromium Nickel Nickel and chromium 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 ball bearings are provided with a cage To maintain the balls at a fixed distance apart To prevent the lubricant from flowing out To reduce friction To facilitate slipping of balls To maintain the balls at a fixed distance apart To prevent the lubricant from flowing out To reduce friction To facilitate slipping of balls ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tensile strength of a mild steel specimen can be roughly predicted from following hardness test Vickers Rockwell Brinell None of these Vickers Rockwell Brinell None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The square threads are usually found on Screw cutting lathes Spindles of bench vices Feed mechanism of machine tools Railway carriage couplings Screw cutting lathes Spindles of bench vices Feed mechanism of machine tools Railway carriage couplings ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) ANSWER DOWNLOAD EXAMIANS APP
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