Materials and Construction Cermets are used for making Neither A nor B Abrasives Both A & B Cutting tools Neither A nor B Abrasives Both A & B Cutting tools ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating is not done by Hot dipping Vaporising Electro deposition Spraying Hot dipping Vaporising Electro deposition Spraying ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction SO₃ is absorbed using H₂SO₄ in a Cast iron packed tower Packed steel tower lined with acid proof bricks None of these Stainless steel plate tower Cast iron packed tower Packed steel tower lined with acid proof bricks None of these Stainless steel plate tower 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 one contains the least percentage of carbon? Wrought iron Pig iron High speed steel Cast iron Wrought iron Pig iron High speed steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? Induction motors Armature of small motors/generators Generators and small motors High frequency transformers Induction motors Armature of small motors/generators Generators and small motors High frequency transformers ANSWER DOWNLOAD EXAMIANS APP
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