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 Lead is poured into the joints between two __________ pipes. Concrete Steel Plastic Cast iron Concrete Steel Plastic Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is Fatigue Creep Tensile strength Toughness Fatigue Creep Tensile strength Toughness ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following phenomenon/ phenomena is/are diffusion controlled ? Twinning Cross-slip Recrystallisation Dislocation climb Twinning Cross-slip Recrystallisation Dislocation climb ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Decreased compressor power Is immaterial Causes heat loss due to poor heat transfer Can be prevented by proper design Decreased compressor power Is immaterial Causes heat loss due to poor heat transfer Can be prevented by proper design ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Limestone addition in the blast furnace is done to flux __________ present in the raw materials. MnO₂ SiO₂ P Al2O₃ MnO₂ SiO₂ P Al2O₃ ANSWER DOWNLOAD EXAMIANS APP