Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Decreases & increases Increases & decreases Increases & increases Decreases & decreases Decreases & increases Increases & decreases Increases & increases Decreases & decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 10 10000 100 1000 10 10000 100 1000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is Radiation Both A & B Convection Conduction Radiation Both A & B Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Its higher co-efficient of performance (COP) Its low unit weight per ton of refrigeration Its high heat transfer rate Low temperature encountered at high altitude Its higher co-efficient of performance (COP) Its low unit weight per ton of refrigeration Its high heat transfer rate Low temperature encountered at high altitude ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of 0.042361111111111 0.044444444444444 0.084027777777778 0.043055555555556 0.042361111111111 0.044444444444444 0.084027777777778 0.043055555555556 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following heat treatment processes is usually applied to castings ? Normalising Carburising Annealing Tempering Normalising Carburising Annealing Tempering ANSWER DOWNLOAD EXAMIANS APP