Materials and Construction A chemical change takes place when iron Melts Is heated Rusts None of these Melts Is heated Rusts None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hot working of lead is carried out at 373° K Room temperature 75° C 150° C 373° K Room temperature 75° C 150° C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Reactor used in the production of polyvinyl chloride (PVC) is made of Nickel or glass lined steel Tantalum Lead Aluminium Nickel or glass lined steel Tantalum Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ steel is widely used for the manufacture of motor car crankshafts. High speed Silicon Chrome Nickel High speed Silicon Chrome Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ iron is produced, when molten pig iron is allowed to cool gradually. White cast Wrought Grey cast None of these White cast Wrought Grey cast None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alpha iron is stable __________ °C. Above 1403 Upto 910 Above 1800 Between 910 & 1403 Above 1403 Upto 910 Above 1800 Between 910 & 1403 ANSWER DOWNLOAD EXAMIANS APP
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