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 Copper Stainless steel Copper alloys Monel Copper Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High resistance electrical heating elements/wire are not made of Nimonic alloys Marageing steel Nichrome Kanthal wire Nimonic alloys Marageing steel Nichrome Kanthal wire 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 Increase its glossiness and lustre Prevent the action of water Harden the surface Prevent the action of oxygen Increase its glossiness and lustre Prevent the action of water ANSWER DOWNLOAD EXAMIANS APP