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