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 __________ is the most important element, which controls the physical properties of steel. Silicon Manganese Vanadium Carbon Silicon Manganese Vanadium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material? Glass Rubber Brass Steel Glass Rubber Brass Steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Free oxygen is removed from boiler feed water, because it Reduces heat transfer co-efficient None of these Causes explosion Is corrosive Reduces heat transfer co-efficient None of these Causes explosion Is corrosive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of stress corrosion ? Season cracking of brass Caustic embrittlement of steel Both (a) & (b) Neither (a) nor (b) Season cracking of brass Caustic embrittlement of steel Both (a) & (b) Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics What is the value of included angle of a triangular notch for maximum discharge ? 30° 90° 60° 120° 30° 90° 60° 120° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS