Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Antimony Bismuth Arsenic Both B and C Antimony Bismuth Arsenic Both B and C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron Rusts Melts None of these Is heated Rusts Melts None of these Is heated ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Invar used in thermocouples is an alloy of nickel and Copper Lead Chromium Iron Copper Lead Chromium Iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress. None of these Yield point Proof Ultimate None of these Yield point Proof Ultimate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the least value of ultimate tensile strength (UTS)? Medium carbon steel Cast iron High carbon steel Wrought iron Medium carbon steel Cast iron High carbon steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ferric stainless steels compared to austenitic stainless steels Are harder to fabricate All of these Have lower corrosion resistance Are less ductile and hence less suitable for cold pressing Are harder to fabricate All of these Have lower corrosion resistance Are less ductile and hence less suitable for cold pressing ANSWER DOWNLOAD EXAMIANS APP
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