Materials and Construction Metal at the top of the electromotive series is Most active Most stable Least active Most noble Most active Most stable Least active Most noble ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of Aluminium Lead lined mild steel Rubber lined mild steel Cast iron Aluminium Lead lined mild steel Rubber lined mild steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Having poor toughness Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Having poor toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Increases its melting point Makes it malleable Decreases its melting point Does not affect its melting point Increases its melting point Makes it malleable Decreases its melting point Does not affect its melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron alloyed with carbon upto 2% is called Pig iron None of these Wrought iron High carbon steel Pig iron None of these Wrought iron High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pick the odd man out of the following. Pack carburising Calorising Cyaniding Nitriding Pack carburising Calorising Cyaniding Nitriding ANSWER DOWNLOAD EXAMIANS APP
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