Chemical Engineering Basics Which of the following is a boiler accessory i.e., not a boiler mounting ? Stop valve Feed water pump Feed check valve Blow off cock Stop valve Feed water pump Feed check valve Blow off cock ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Iron pyrite Sand Magnesium silicate Calcium silicate Iron pyrite Sand Magnesium silicate Calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Coke is added in the blast furnace to Increase the fluidity of slag Remove sulphur & phosphorus from molten metal Reduce & melt the iron ore None of these Increase the fluidity of slag Remove sulphur & phosphorus from molten metal Reduce & melt the iron ore None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is 5CaO . 3 Al2O₃ 2CaO . SiO₂ 3CaO . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 2CaO . SiO₂ 3CaO . SiO₂ 3CaO . Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Can be prevented by proper design Causes heat loss due to poor heat transfer Is immaterial Decreased compressor power Can be prevented by proper design Causes heat loss due to poor heat transfer Is immaterial Decreased compressor power ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. None of these Increases Decreases Shows inversion of solubility None of these Increases Decreases Shows inversion of solubility ANSWER DOWNLOAD EXAMIANS APP
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