Materials and Construction Constantan used in thermocouples is an alloy of Copper & aluminium Lead & tin None of these Iron & copper Copper & aluminium Lead & tin None of these Iron & copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. Twinning Screw dislocation Solid solution hardening Strain ageing Twinning Screw dislocation Solid solution hardening Strain ageing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy used as thermocouple material comprises of 40% nickel and 60% copper. Kanthal German silver Chromel Constantan Kanthal German silver Chromel Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the least value of ultimate tensile strength (UTS)? Cast iron Wrought iron Medium carbon steel High carbon steel Cast iron Wrought iron Medium carbon steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Work hardening of a material Increases its ductility Does not affect its ductility Decreases its tensile strength Decreases its ductility Increases its ductility Does not affect its ductility Decreases its tensile strength Decreases its ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel should have high Both B & C Toughness Hardenability Wear resistance Both B & C Toughness Hardenability Wear resistance ANSWER DOWNLOAD EXAMIANS APP
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