Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Martensite formation Sufficient hydrogen present in the welding arc Retained austenite Relatively high sulphur content in the base metal Martensite formation Sufficient hydrogen present in the welding arc Retained austenite Relatively high sulphur content in the base metal 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 & nickel Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Molybdenun, tungsten & chromium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system Employs minimum quantity of refrigerant Is as light as possible Consumer minimum horse power Has very high C.O.P Employs minimum quantity of refrigerant Is as light as possible Consumer minimum horse power Has very high C.O.P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Limestone addition in the blast furnace is done to flux __________ present in the raw materials. P Al2O₃ SiO₂ MnO₂ P Al2O₃ SiO₂ MnO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the most suitable lubricant for drawing mild steel wires? Kerosene Water Lime water Sodium stearate Kerosene Water Lime water Sodium stearate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system. Fluidised bed Pulverised fuel Travelling grate stoker firing Circulating fluidised bed Fluidised bed Pulverised fuel Travelling grate stoker firing Circulating fluidised bed ANSWER DOWNLOAD EXAMIANS APP