Chemical Engineering Basics Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Lighter Cheaper Reduced preferentially Oxidised preferentially Lighter Cheaper Reduced preferentially Oxidised preferentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent. 150 200 400 300 150 200 400 300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Ignition of fuel in a diesel engine is by None of these Hot compressed air Fuel injection Spark None of these Hot compressed air Fuel injection Spark ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Free oxygen is removed from boiler feed water, because it Causes explosion Is corrosive Reduces heat transfer co-efficient None of these Causes explosion Is corrosive Reduces heat transfer co-efficient None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Retained austenite Martensite formation Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Retained austenite Martensite formation Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A suitable lubricant used for watches is Metallic soap solution Hazel-nut oil Palm oil Grease Metallic soap solution Hazel-nut oil Palm oil Grease ANSWER DOWNLOAD EXAMIANS APP
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