Materials and Construction A chemical change takes place when iron Is heated Rusts None of these Melts Is heated Rusts None of these Melts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron vessels are not suitable for the storage of H₂SO₄ (95%) at room temperature H₂SO₄ (fuming) Freon Wet SO₂ H₂SO₄ (95%) at room temperature H₂SO₄ (fuming) Freon Wet SO₂ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Antimony Bismuth Both B and C Arsenic Antimony Bismuth Both B and C Arsenic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Locomotive boiler tubes are made of __________ alloys. Arsenic copper Magnesium Nickel Aluminium Arsenic copper Magnesium Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Perspex is nothing but Acrylic sheet Aluminium foil clad with bakelite An elastomer An alloy of lead and tin Acrylic sheet Aluminium foil clad with bakelite An elastomer An alloy of lead and tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Electronic structure of a material is generally studied by Metallurgical microscope Electron diffraction Spectroscopic techniques X-ray Metallurgical microscope Electron diffraction Spectroscopic techniques X-ray ANSWER DOWNLOAD EXAMIANS APP
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