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