Materials and Construction The fermentor used for the production of ethyl alcohol from molasses is made of Copper bearing steel Concrete Procelain Wood Copper bearing steel Concrete Procelain Wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of oxygen Harden the surface Increase its glossiness and lustre Prevent the action of water Prevent the action of oxygen Harden the surface Increase its glossiness and lustre Prevent the action of water ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Semi steel' is Both A & B Neither A nor B Stronger than cast iron Produced by adding 10-20% steel to the cupola charge Both A & B Neither A nor B Stronger than cast iron Produced by adding 10-20% steel to the cupola charge ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rubber lined vessels are corroded by the action of All of these Sulphuric acid (95%) Aqua regia Chloroform All of these Sulphuric acid (95%) Aqua regia Chloroform ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Atmospheric corrosion of metals result from their Fast oxidation Slow oxidation Slow dehydration Fast hydration Fast oxidation Slow oxidation Slow dehydration Fast hydration ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Do not contain nickel or chromium or both Are prone to temper brittleness Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc Do not contain nickel or chromium or both Are prone to temper brittleness Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc ANSWER DOWNLOAD EXAMIANS APP
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