Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Speed of the extruded material is same as that of ram speed Redundant work is a function of the die angle Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Speed of the extruded material is same as that of ram speed Redundant work is a function of the die angle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the joint produced by __________ has the lowest strength. Brazing Welding Soldering Rivetting Brazing Welding Soldering Rivetting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required. Zirconia Alumina Beryllia Magnesia Zirconia Alumina Beryllia Magnesia ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of Sunlight Dry air Moisture Pure oxygen Sunlight Dry air Moisture Pure oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 30000 J 90000 J 240000 J 60000 J 30000 J 90000 J 240000 J 60000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ iron is produced by the annealing of white cast iron. Grey Ductile Nodular Malleable Grey Ductile Nodular Malleable ANSWER DOWNLOAD EXAMIANS APP
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