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 __________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength. Slugging Shot peening Lancing Spinning Slugging Shot peening Lancing Spinning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Cobalt, chromium & nickel Molybdenun, tungsten & chromium Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Cobalt, chromium & nickel Molybdenun, tungsten & chromium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the most important element, which controls the physical properties of steel. Vanadium Carbon Silicon Manganese Vanadium Carbon Silicon Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Specific __________ is a dimensionless quantity. None of these Humidity Heat Weight None of these Humidity Heat Weight ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Limestone addition in the blast furnace is done to flux __________ present in the raw materials. MnO₂ P SiO₂ Al2O₃ MnO₂ P SiO₂ Al2O₃ ANSWER DOWNLOAD EXAMIANS APP