Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Neither A nor B Corrosive Both A & B Abrasive Neither A nor B Corrosive Both A & B Abrasive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel pipes are normally manufactured by __________ process. Cold working Electroforming Forging Extrusion Cold working Electroforming Forging Extrusion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Usually joined by burning (e.g. by melting to adjacent pieces with a torch) All of these Especially resistant to solutions containing H₂SO₄ Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Usually joined by burning (e.g. by melting to adjacent pieces with a torch) All of these Especially resistant to solutions containing H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of nickel to copper improves its Ductility Strength Hardness Machinability Ductility Strength Hardness Machinability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Constantan Nichrome German silver Tungsten Constantan Nichrome German silver Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? Nickel, monel, stainless steel and graphite Aluminium, copper, high silicon iron Silicone rubber, teflon, procelain and wood Brass, cast iron, mild steel and tin Nickel, monel, stainless steel and graphite Aluminium, copper, high silicon iron Silicone rubber, teflon, procelain and wood Brass, cast iron, mild steel and tin ANSWER DOWNLOAD EXAMIANS APP
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