Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Is tempered at 850°C Do not have good resilience properties Do not require heat treatment for any of its applications Are used for leaf and coiled springs Is tempered at 850°C Do not have good resilience properties Do not require heat treatment for any of its applications Are used for leaf and coiled springs 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. Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Titanium metal Exists in three allotropic forms Can not be welded None of these Is used in oceanographic and space exploration applications Exists in three allotropic forms Can not be welded None of these Is used in oceanographic and space exploration applications ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is All of these Acid resistant, brittle and very hard High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these Acid resistant, brittle and very hard High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which metal is protected by the layer of its own oxide? Aluminium Silver Calcium Iron Aluminium Silver Calcium Iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrochloric acid is stored in a__vessel. Stainless steel Rubber lined steel Lead lined steel Cast iron Stainless steel Rubber lined steel Lead lined steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
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