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 Antimony Arsenic Bismuth Both B and C Antimony Arsenic Bismuth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it. Copper Monel Stainless steel Copper alloys Copper Monel Stainless steel Copper alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High resistance electrical heating elements/wire are not made of Nimonic alloys Kanthal wire Nichrome Marageing steel Nimonic alloys Kanthal wire Nichrome Marageing steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Constantan Tungsten German silver Nichrome Constantan Tungsten German silver Nichrome ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Increase its glossiness and lustre Prevent the action of oxygen Prevent the action of water Harden the surface Increase its glossiness and lustre Prevent the action of oxygen Prevent the action of water Harden the surface ANSWER DOWNLOAD EXAMIANS APP