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 Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage is the same in cast iron and Pig iron High silicon (14%) iron Mild steel Wrought iron Pig iron High silicon (14%) iron Mild steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the ferritic stainless steel? Face centred cubic Simple hexagonal Body centred cubic None of these Face centred cubic Simple hexagonal Body centred cubic None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a Glass Thermosetting plastic Cermet Metallic alloy Glass Thermosetting plastic Cermet Metallic alloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The specific gravity of coal depends mainly on its __________ content. Volatile matter Moisture Ash Carbon Volatile matter Moisture Ash Carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aqueous nitric acid is stored in __________ vessel. Cast iron Thermosetting plastic material Plain carbon steel Stainless steel Cast iron Thermosetting plastic material Plain carbon steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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