Materials and Construction Wrought iron is having very high Corrosion resistance Hardness Strength Susceptibility to changes in its properties by heat treatment Corrosion resistance Hardness Strength Susceptibility to changes in its properties by heat treatment ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is done (in electric furnace) at __________ °C. 910 2210 510 1720 910 2210 510 1720 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron alloyed with carbon upto 2% is called Wrought iron Pig iron High carbon steel None of these Wrought iron Pig iron High carbon steel None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection Both A & B Neither A nor B Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ferric stainless steels compared to austenitic stainless steels All of these Are harder to fabricate Are less ductile and hence less suitable for cold pressing Have lower corrosion resistance All of these Are harder to fabricate Are less ductile and hence less suitable for cold pressing Have lower corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material for high pressure vessel operating at 500 atm. and 500° C is 18/8 stainless steel Molybdenum stainless steel High silicon iron (14% Si) Mild steel 18/8 stainless steel Molybdenum stainless steel High silicon iron (14% Si) Mild steel ANSWER DOWNLOAD EXAMIANS APP
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