Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Arsenic Both B and C Antimony Bismuth Arsenic Both B and C Antimony 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. Stainless steel Monel Copper Copper alloys Stainless steel Monel Copper Copper alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High resistance electrical heating elements/wire are not made of Marageing steel Kanthal wire Nimonic alloys Nichrome Marageing steel Kanthal wire Nimonic alloys Nichrome ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is German silver Constantan Nichrome Tungsten German silver Constantan Nichrome Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of water Increase its glossiness and lustre Prevent the action of oxygen Harden the surface Prevent the action of water Increase its glossiness and lustre Prevent the action of oxygen Harden the surface ANSWER DOWNLOAD EXAMIANS APP
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