Materials and Construction Which of the following is the hardest? Ferrite Cementite Austenite Pearlite Ferrite Cementite Austenite Pearlite 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. Having poor fatigue resistance Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness Having poor fatigue resistance Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which is an amorphous material? Mica Glass Brass Cast iron Mica Glass Brass Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of nickel and chromium? Hastealloy Nimonic alloys Inconel Duralumin Hastealloy Nimonic alloys Inconel Duralumin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 2 8 0.2 4 2 8 0.2 4 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Both B and C Arsenic Bismuth Antimony Both B and C Arsenic Bismuth Antimony ANSWER DOWNLOAD EXAMIANS APP
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