Materials and Construction Hot working of lead is carried out at 373° K 75° C 150° C Room temperature 373° K 75° C 150° C Room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Generally __________ are subjected to galvanising (i.e., zinc coating). Non-ferrous metals Non-metals Stainless steel Low carbon steels Non-ferrous metals Non-metals Stainless steel Low carbon steels ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Lead Aluminium Copper Wrought iron Lead Aluminium Copper Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Gallium Boron Antimony None of these Gallium Boron Antimony None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is added in low carbon steel to raise its yield point. Silicon Manganese Sulphur Phosphorous Silicon Manganese Sulphur Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is done (in electric furnace) at __________ °C. 1720 910 2210 510 1720 910 2210 510 ANSWER DOWNLOAD EXAMIANS APP
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