Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix A fine, highly dislocated and strong martensite Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of alloy carbides in a ferrite matrix A fine, highly dislocated and strong martensite Fine dispersions of Fe₃ C nucleated on dislocations in austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method. Ultrasonic X-ray Dye penetrant Magnetic particle Ultrasonic X-ray Dye penetrant Magnetic particle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ iron is produced by the annealing of white cast iron. Ductile Malleable Nodular Grey Ductile Malleable Nodular Grey ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Shaft/rotor speed is most accurately measured by a Speedometer Strobometer Frequency counter Tachometer Speedometer Strobometer Frequency counter Tachometer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of Pure oxygen Dry air Moisture Sunlight Pure oxygen Dry air Moisture Sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle. Heat rejection is lower Maximum temperature is higher Combustion is at constant volume Expansion & compression are isentropic Heat rejection is lower Maximum temperature is higher Combustion is at constant volume Expansion & compression are isentropic ANSWER DOWNLOAD EXAMIANS APP
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