Chemical Engineering Basics A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action. Proportional Integral None of these Derivative Proportional Integral None of these Derivative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & nickel Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & nickel Cobalt, chromium & tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which one is neutral in character ? N₂O₄ N₂O N₂O₅ N₂O₃ N₂O₄ N₂O N₂O₅ N₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Low temperature encountered at high altitude Its high heat transfer rate Its low unit weight per ton of refrigeration Its higher co-efficient of performance (COP) Low temperature encountered at high altitude Its high heat transfer rate Its low unit weight per ton of refrigeration Its higher co-efficient of performance (COP) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type Parallel flow with equal heat capacities Counter flow with equal heat capacities Parallel flow with unequal heat capacities Counter flow with unequal heat capacities Parallel flow with equal heat capacities Counter flow with equal heat capacities Parallel flow with unequal heat capacities Counter flow with unequal heat capacities ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of alloy carbides in a ferrite matrix A fine, highly dislocated and strong martensite Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of alloy carbides in a ferrite matrix A fine, highly dislocated and strong martensite ANSWER DOWNLOAD EXAMIANS APP
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