Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be Less Same Either more or less; depends on the climatic conditions More Less Same Either more or less; depends on the climatic conditions More ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In age-hardenable alloys, maximum ductility is obtained After overageing Immediately after solution treatment and subsequent quenching After optimum ageing In as cast state After overageing Immediately after solution treatment and subsequent quenching After optimum ageing In as cast state 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
Chemical Engineering Basics Boiler draught of 10 mm water column is equivalent to 1 kgf/m² 1 kgf/mm² 10 kgf/m² 10 kgf/mm² 1 kgf/m² 1 kgf/mm² 10 kgf/m² 10 kgf/mm² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke None of these Pressure after compression to that before compression Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke None of these Pressure after compression to that before compression ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS