Chemical Engineering Basics Isotropic materials have the same __________ in all directions. Thermal properties Density Induced stresses Elastic properties Thermal properties Density Induced stresses Elastic properties ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, chromium & nickel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Free oxygen is removed from boiler feed water, because it Reduces heat transfer co-efficient Is corrosive None of these Causes explosion Reduces heat transfer co-efficient Is corrosive None of these Causes explosion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In the Bayer's process, bauxite is digested under pressure using H₂SO₄ NH₃ NaOH HCl H₂SO₄ NH₃ NaOH HCl ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Present value method Future value method Salvage value Rate of return criterion Present value method Future value method Salvage value Rate of return criterion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Heat treated before use Made by sand casting Seamless & made of steel Welded steel cylinders Heat treated before use Made by sand casting Seamless & made of steel Welded steel cylinders ANSWER DOWNLOAD EXAMIANS APP