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 Cobalt, chromium & nickel Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Cobalt, chromium & nickel Molybdenun, tungsten & chromium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Shaft/rotor speed is most accurately measured by a Frequency counter Speedometer Strobometer Tachometer Frequency counter Speedometer Strobometer Tachometer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Hydrogen in liquid steels is dissolved As tiny gas bubbles In the ionic form In the atomic form In the molecular form As tiny gas bubbles In the ionic form In the atomic form In the molecular form ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur Initiation of crack from below the surface does not occur Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur Initiation of crack from below the surface does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals reacts violently with water ? Mercury Magnesium Sodium Calcium Mercury Magnesium Sodium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics What is the value of included angle of a triangular notch for maximum discharge ? 60° 30° 120° 90° 60° 30° 120° 90° ANSWER DOWNLOAD EXAMIANS APP
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