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 Initation of crack occurs on the surface of the machine part 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 Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Initiation of crack from below the surface does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Kinematic viscosity of water as compared to that of air is 15% more Same 15% less More 15% more Same 15% less More ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Dies for wire drawing are generally made of Mild steel High carbon steel Carbides Stainless steel Mild steel High carbon steel Carbides Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is a boiler accessory i.e., not a boiler mounting ? Blow off cock Stop valve Feed check valve Feed water pump Blow off cock Stop valve Feed check valve Feed water pump ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The total frictional resistance to fluid flow does not depend upon the Fluid pressure Fluid density Roughness of the surface Fluid velocity Fluid pressure Fluid density Roughness of the surface Fluid velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Factor of safety is the ratio of the __________ stress to the working stress. Yield Compressive Bearing Tensile Yield Compressive Bearing Tensile ANSWER DOWNLOAD EXAMIANS APP