Materials and Construction Which of the following is the most elastic material? Rubber Plastic Steel Glass Rubber Plastic Steel Glass 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 Which of the following heat treatment processes is used for softening the hardened material? Tempering Annealing Normalising None of these Tempering Annealing Normalising None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy of iron containing 4% carbon is called Wrought iron High carbon steel Mild steel None of these Wrought iron High carbon steel Mild steel None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Tenacity & hardness Malleability Ductility Electrical conductivity Tenacity & hardness Malleability Ductility Electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of nickel and chromium? Hastealloy Inconel Nimonic alloys Duralumin Hastealloy Inconel Nimonic alloys Duralumin ANSWER DOWNLOAD EXAMIANS APP
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