Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The hardest material just prior to diamond in Mhos scale is Topax Calcite Corrundum Carborundum Topax Calcite Corrundum Carborundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The digester of a Gobar gas plant is a Masonry well Mild steel drum Cast iron vessel Stainless steel vessel Masonry well Mild steel drum Cast iron vessel Stainless steel vessel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hastelloy C is a good material of construction in chemical process industry, since it is Highly corrosion resistant and is readily fabricated Corrosion resistant to most alkalis, particularly because of its coper content Light and resists attack by acids Relatively inexpensive although it can be fabricated with some difficulty Highly corrosion resistant and is readily fabricated Corrosion resistant to most alkalis, particularly because of its coper content Light and resists attack by acids Relatively inexpensive although it can be fabricated with some difficulty ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Cadmium Lead Aluminium Magnesium Cadmium Lead Aluminium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Stainless steel Reinforced concrete lined with lead Wood High silicon iron (14% Si) Stainless steel Reinforced concrete lined with lead Wood High silicon iron (14% Si) ANSWER DOWNLOAD EXAMIANS APP
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