Materials and Construction Gunmetal and bronze are not corroded by the action of Hydrochloric acid (10%) Synthetic detergent solution Nitric acid (< 25%) Wet chlorine Hydrochloric acid (10%) Synthetic detergent solution Nitric acid (< 25%) Wet chlorine ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High carbon steel contains more than __________ percent carbon. 0.5 2.8 2.2 2.5 0.5 2.8 2.2 2.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The fermentor used for the production of ethyl alcohol from molasses is made of Wood Procelain Concrete Copper bearing steel Wood Procelain Concrete Copper bearing steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aqueous nitric acid is stored in Cast iron vessel lined with acid-proof masonry brick Cast iron vessel Steel drum Stainless steel vessel Cast iron vessel lined with acid-proof masonry brick Cast iron vessel Steel drum Stainless steel vessel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one contains the least percentage of carbon? Pig iron Wrought iron High speed steel Cast iron Pig iron Wrought iron High speed steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
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