Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Heat treated before use Welded steel cylinders Made by sand casting Seamless & made of steel Heat treated before use Welded steel cylinders Made by sand casting Seamless & made of steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Increases & increases Decreases & increases Increases & decreases Decreases & decreases Increases & increases Decreases & increases Increases & decreases Decreases & decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of Pure oxygen Dry air Sunlight Moisture Pure oxygen Dry air Sunlight Moisture ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Deformation band is absent in materials having __________ lattice crystal structure. Bcc Fcc None of these Hcp Bcc Fcc None of these Hcp ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? 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 Initiation of crack from below the surface does not occur Plastic deformation of material does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics At the point of boundary layer separation in fluid flow, the Velocity gradient is flat Shear stress is zero Density variation is maximum Shear stress is maximum Velocity gradient is flat Shear stress is zero Density variation is maximum Shear stress is maximum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS