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 Bismuth Arsenic Antimony Both B and C Bismuth 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. Copper alloys Monel Stainless steel Copper Copper alloys Monel Stainless steel Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High resistance electrical heating elements/wire are not made of Nichrome Nimonic alloys Marageing steel Kanthal wire Nichrome Nimonic alloys Marageing steel Kanthal wire ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Tungsten Constantan German silver Nichrome Tungsten Constantan German silver Nichrome ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre Harden the surface Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre Harden the surface ANSWER DOWNLOAD EXAMIANS APP
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