Materials and Construction __________ is a donor impurity for semi-conductors. Antimony Boron Gallium None of these Antimony Boron Gallium None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Clock pendulums are usually made of __________ steel. Heat resisting Stainless High speed None of these Heat resisting Stainless High speed None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material is able to retain the deformation permanently by virtue of its Plasticity Malleability Elasticity Ductility Plasticity Malleability Elasticity Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Aluminium, mild steel, stainless steel, concrete & tin Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating on metals is not done by Hot dipping Powder metallurgy Electro-deposition Spraying Hot dipping Powder metallurgy Electro-deposition Spraying ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ moulding process can not be used for thermoplastic plastics. None of these Extrusion Compression Injection None of these Extrusion Compression Injection ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS