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