Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Initiation of crack from below the surface does not occur Plastic deformation of material 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 Initiation of crack from below the surface does not occur Plastic deformation of material 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which one is neutral in character ? N₂O N₂O₃ N₂O₅ N₂O₄ N₂O N₂O₃ N₂O₅ N₂O₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most detrimental impurity in high pressure boiler feed water is Suspended salt Silica Dissolved salt Turbidity Suspended salt Silica Dissolved salt Turbidity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Toughness of a material is measured by the Notched bar test Vicker's hardness test Scratch test Universal testing machine Notched bar test Vicker's hardness test Scratch test Universal testing machine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of cathodic protection of metals against corrosion ? Galvanised iron Case hardened steel Painted steel Lead lined reactor Galvanised iron Case hardened steel Painted steel Lead lined reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Volume of air in cylinder before compression to that after compression None of these Pressure after compression to that before compression Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression None of these Pressure after compression to that before compression Clearance volume to the volume swept by piston per stroke ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS