Machine Design 18/8 steel contains 18% nickel and 8% chromium 18% vanadium and 8% nickel 18% chromium and 8% nickel 18% nickel and 8% vanadium 18% nickel and 8% chromium 18% vanadium and 8% nickel 18% chromium and 8% nickel 18% nickel and 8% vanadium ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for Fullering and caulking Ease of manufacture Reducing stress concentration Safety Fullering and caulking Ease of manufacture Reducing stress concentration Safety ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (4WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 1420 d 2840 d 1680 d 2080 d 1420 d 2840 d 1680 d 2080 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings 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 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be 10 6 8 4 10 6 8 4 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS