Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of Fe₃ C nucleated on dislocations in austenite A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of Fe₃ C nucleated on dislocations in austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Measurement of the area of the indented surface is not involved in the __________ hardhes testing method. Vicker's Brinell Rockwell Knoop Vicker's Brinell Rockwell Knoop ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not used as a fuel in rocket propellaht ? Kerosene oil Liquid oxygen Liquid hydrazine Liquid hydrogen Kerosene oil Liquid oxygen Liquid hydrazine Liquid hydrogen 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 __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently. Flanged Expansion Collar Bell and Spigot Flanged Expansion Collar Bell and Spigot ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method. X-ray Magnetic particle Ultrasonic Dye penetrant X-ray Magnetic particle Ultrasonic Dye penetrant ANSWER DOWNLOAD EXAMIANS APP
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