Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Martensite formation Retained austenite Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Martensite formation Retained austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Ignition of fuel in a diesel engine is by None of these Fuel injection Hot compressed air Spark None of these Fuel injection Hot compressed air Spark ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not used as a fuel in rocket propellaht ? Liquid hydrogen Liquid hydrazine Liquid oxygen Kerosene oil Liquid hydrogen Liquid hydrazine Liquid oxygen Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Induce temper brittleness after its hardening Reduce the retained austenite in hardened steel Suppress martensite transformation Enhance its working performance in sub zero atmosphere Induce temper brittleness after its hardening Reduce the retained austenite in hardened steel Suppress martensite transformation Enhance its working performance in sub zero atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy is used to produce Components of large size Components of such alloys whose constituents do not form alloys readily Porosity free components High precision components with complex cavities and sharp features Components of large size Components of such alloys whose constituents do not form alloys readily Porosity free components High precision components with complex cavities and sharp features ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength. Lancing Spinning Slugging Shot peening Lancing Spinning Slugging Shot peening ANSWER DOWNLOAD EXAMIANS APP
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