Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Nucleate boiling Conduction Radiation Convection Nucleate boiling Conduction Radiation Convection 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. Decreases None of these Shows inversion of solubility Increases Decreases None of these Shows inversion of solubility Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump. Electromagnetic Diaphragm Reciprocating Axial flow Electromagnetic Diaphragm Reciprocating Axial flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The phenomenon of strain-ageing is generally experienced with Low carbon steel High carbon steel High manganese steel Cast iron Low carbon steel High carbon steel High manganese steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Limestone addition in the blast furnace is done to flux __________ present in the raw materials. P SiO₂ Al2O₃ MnO₂ P SiO₂ Al2O₃ MnO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ? Forgings like can shaft, structural steel plate, threading dies and drawing dies Cutlery, screws, rivets and files Mandrels, twist drills, small lathe tools and razors Small punches, broaches reamers and springs Forgings like can shaft, structural steel plate, threading dies and drawing dies Cutlery, screws, rivets and files Mandrels, twist drills, small lathe tools and razors Small punches, broaches reamers and springs ANSWER DOWNLOAD EXAMIANS APP
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