Chemical Engineering Basics The most detrimental impurity in high pressure boiler feed water is Silica Turbidity Suspended salt Dissolved salt Silica Turbidity Suspended salt Dissolved salt 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 maximum Density variation is maximum Shear stress is zero Velocity gradient is flat Shear stress is maximum Density variation is maximum Shear stress is zero 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 Initiation of crack from below the surface does not occur Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur 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 Initation of crack occurs on the surface of the machine part Plastic deformation of material does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics During sensible cooling of air, its wet bulb temperature Increases but dew point remains constant Decreases & the dew point increases Decreases but dew point remains constant Increases & the dew point decreases Increases but dew point remains constant Decreases & the dew point increases Decreases but dew point remains constant Increases & the dew point decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Is immaterial Causes heat loss due to poor heat transfer Decreased compressor power Can be prevented by proper design Is immaterial Causes heat loss due to poor heat transfer Decreased compressor power Can be prevented by proper design ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Toughness of a material is measured by the Vicker's hardness test Universal testing machine Scratch test Notched bar test Vicker's hardness test Universal testing machine Scratch test Notched bar test ANSWER DOWNLOAD EXAMIANS APP
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