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