Chemical Engineering Basics In a casting, cold shut defect is caused by Faulty gating system Melt-mould reactions Low pounhg temperature Very low mould permeability Faulty gating system Melt-mould reactions Low pounhg temperature Very low mould permeability ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Milligram of KOH required to saponify 1 gm of oil is called its __________ number. Saponification Precipitation Emulsion Acid Saponification Precipitation Emulsion Acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having resistivity ranging from 1 to 100 ohm. cm is termed as Insulator Semi-conductor None of these Conductor Insulator Semi-conductor None of these Conductor 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 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 The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity. 100 50 None of these 100 50 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Redundant work is a function of the die angle Hollow ram is used for indirect extrusion Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Redundant work is a function of the die angle Hollow ram is used for indirect extrusion ANSWER DOWNLOAD EXAMIANS APP
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