Materials and Construction Gunmetal and bronze are not corroded by the action of Hydrochloric acid (10%) Wet chlorine Nitric acid (< 25%) Synthetic detergent solution Hydrochloric acid (10%) Wet chlorine Nitric acid (< 25%) Synthetic detergent solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The fermentor used for the production of ethyl alcohol from molasses is made of Procelain Wood Copper bearing steel Concrete Procelain Wood Copper bearing steel Concrete ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Balls in a ball mill are usually made of Stainless steel Cast iron Steel Bronze Stainless steel Cast iron Steel Bronze ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the poorest wel-dability? Wrought iron Low carbon steel High-carbon steel Mild steel Wrought iron Low carbon steel High-carbon steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Do not contain nickel or chromium or both Have very poor fatigue resistance Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Do not contain nickel or chromium or both Have very poor fatigue resistance Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion Acid resistant, brittle and very hard High silicon iron All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion Acid resistant, brittle and very hard High silicon iron ANSWER DOWNLOAD EXAMIANS APP
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