Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Bismuth Arsenic Both B and C Antimony Bismuth Arsenic Both B and C 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 Marageing steel Nichrome Nimonic alloys Kanthal wire Marageing steel Nichrome Nimonic alloys Kanthal wire ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Nichrome German silver Tungsten Constantan Nichrome German silver Tungsten Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Increase its glossiness and lustre Harden the surface Prevent the action of oxygen Prevent the action of water Increase its glossiness and lustre Harden the surface Prevent the action of oxygen Prevent the action of water ANSWER DOWNLOAD EXAMIANS APP
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