Chemical Engineering Basics If the head is doubled in & centrifugal pump, the power required will increase in the ratio of 25/2 23 21/3 23/2 25/2 23 21/3 23/2 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, chromium & nickel Molybdenun, tungsten & chromium Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum Cobalt, chromium & nickel Molybdenun, tungsten & chromium Cobalt, chromium & tungsten Cobalt, zirconium & molybdenum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy is used to produce High precision components with complex cavities and sharp features Components of such alloys whose constituents do not form alloys readily Porosity free components Components of large size High precision components with complex cavities and sharp features Components of such alloys whose constituents do not form alloys readily Porosity free components Components of large size ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Machinable Corrosion resistant Abrasion resistant Prone to season cracking Machinable Corrosion resistant Abrasion resistant Prone to season cracking ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is a unit of time ? None of these Barn Angstrom Light year None of these Barn Angstrom Light year ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Isotropic materials have the same __________ in all directions. Induced stresses Density Thermal properties Elastic properties Induced stresses Density Thermal properties Elastic properties ANSWER DOWNLOAD EXAMIANS APP