Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is added in low carbon steel to raise its yield point. Manganese Phosphorous Sulphur Silicon Manganese Phosphorous Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower Corrosion resistance Thermal conductivity Abundant availability Price Corrosion resistance Thermal conductivity Abundant availability Price ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is a low melting point metal? Tin Stainless steel Copper Wrought iron Tin Stainless steel Copper Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in which one of the constituent metal is __________ , is called an amalgam. Mercury Zinc Tin Lead Mercury Zinc Tin Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making Nuts Studs Bolts Chiesels Nuts Studs Bolts Chiesels ANSWER DOWNLOAD EXAMIANS APP
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