Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Chemical Electrochemical Both A & B Neither A nor B Chemical Electrochemical Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves Cracks and blow holes are eliminated ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material for high pressure vessel operating at 500 atm. and 500° C is Mild steel 18/8 stainless steel Molybdenum stainless steel High silicon iron (14% Si) Mild steel 18/8 stainless steel Molybdenum stainless steel High silicon iron (14% Si) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Telfon (PTFE) is corroded by Hydrochloric acid (10%) Hydrochloric acid (95%) Sulphuric acid None of these Hydrochloric acid (10%) Hydrochloric acid (95%) Sulphuric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel pipes are normally manufactured by __________ process. Forging Extrusion Cold working Electroforming Forging Extrusion Cold working Electroforming ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Fatigue failure of a material may occur, when it is subjected to __________ stress. Compressive Tensile Torsion Fluctuating Compressive Tensile Torsion Fluctuating ANSWER DOWNLOAD EXAMIANS APP
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