Materials and Construction A chemical change takes place when iron None of these Is heated Melts Rusts None of these Is heated Melts Rusts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead lined equipments & vessels are suitable for handling Hydrochloric acid (10%) All of these Sulphuric acid upto 60°C Nitric acid Hydrochloric acid (10%) All of these Sulphuric acid upto 60°C Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Tungsten Constantan German silver Nichrome Tungsten Constantan German silver Nichrome ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ steel is widely used for the manufacture of motor car crankshafts. Chrome Silicon Nickel High speed Chrome Silicon Nickel High speed ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower Price Abundant availability Thermal conductivity Corrosion resistance Price Abundant availability Thermal conductivity Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these Acid resistant, brittle and very hard High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these Acid resistant, brittle and very hard ANSWER DOWNLOAD EXAMIANS APP
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