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 Antimony Arsenic Bismuth Both B and C Antimony Arsenic 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 Monel Copper alloys Copper Stainless steel Monel Copper alloys Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High resistance electrical heating elements/wire are not made of Nimonic alloys Nichrome Kanthal wire Marageing steel Nimonic alloys Nichrome Kanthal wire Marageing steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is German silver Constantan Nichrome Tungsten German silver Constantan Nichrome Tungsten 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