Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Convection Nucleate boiling Radiation Conduction Convection Nucleate boiling Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Fatigue resistance of a material is measured by the Young's modulus Endurance limit Elastic limit Ultimate tensile strength Young's modulus Endurance limit Elastic limit Ultimate tensile strength 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 Plastic deformation of material does not occur Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Plastic deformation of material does not occur Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the joint produced by __________ has the lowest strength. Brazing Soldering Rivetting Welding Brazing Soldering Rivetting Welding ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The ratio of coil diameter to wire diameter of a spring is called the spring Form co-efficient None of these Index Deflection Form co-efficient None of these Index Deflection ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics What is the value of included angle of a triangular notch for maximum discharge ? 90° 30° 60° 120° 90° 30° 60° 120° ANSWER DOWNLOAD EXAMIANS APP