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, zirconium & molybdenum Cobalt, chromium & tungsten Cobalt, chromium & nickel Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If the head is doubled in & centrifugal pump, the power required will increase in the ratio of 23/2 21/3 25/2 23 23/2 21/3 25/2 23 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen. Tensile Creep Endurance Fatigue Tensile Creep Endurance Fatigue ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses. Forging Cold rolling Casting Hot rolling Forging Cold rolling Casting Hot rolling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having __________ lattice structure are usually the most ductile. Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close packed (hcp) None of these Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close packed (hcp) None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Atomic __________ of an element is a whole number. Radius Volume Number Weight Radius Volume Number Weight ANSWER DOWNLOAD EXAMIANS APP