Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Heat resisting steel Austenitic stainless steel High speed steel Invar Heat resisting steel Austenitic stainless steel High speed steel Invar ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softening of hardned steel is done by its Normalising Annealing Carburising Tempering Normalising Annealing Carburising Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Polythene (low or high density) containers are not corroded by Nitric acid (95%) at room temperature Any of these Sulphur trioxide at 60°C Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature Any of these Sulphur trioxide at 60°C Sulphuric acid (10%) at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chilled iron castings are Soft on surface Highly wear resistant None of these Easily machinable Soft on surface Highly wear resistant None of these Easily machinable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An ideal material of construction for the storage of 50% caustic soda solution would be High silicon cast iron Karbate Monel None of these High silicon cast iron Karbate Monel None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrochloric acid is __________ corrosive to common metals. Not Mildly Highly Least Not Mildly Highly Least ANSWER DOWNLOAD EXAMIANS APP
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