Materials and Construction Thermoplastic resins are those polymers, which Can not be moulded Easily deform under pressure at high temperature None of these Has decreased plasticity at increasing temperature Can not be moulded Easily deform under pressure at high temperature None of these Has decreased plasticity at increasing temperature 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 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 Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Percentage elongation of a material is a measure of its Brittleness Ductility Malleability Toughness Brittleness Ductility Malleability Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The hardest material just prior to diamond in Mhos scale is Calcite Topax Carborundum Corrundum Calcite Topax Carborundum Corrundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel should have high Wear resistance Toughness Hardenability Both B & C Wear resistance Toughness Hardenability Both B & C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Water gas generator is made of Carbon steel-brick lined High carbon steel-procelain lined Stainless steel-lead lined Cast iron Carbon steel-brick lined High carbon steel-procelain lined Stainless steel-lead lined Cast iron ANSWER DOWNLOAD EXAMIANS APP