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 Hollow ram is used for indirect extrusion Relative motion between the billet surface and the container wall is always present Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed Hollow ram is used for indirect extrusion Relative motion between the billet surface and the container wall is always present Redundant work is a function of the die angle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Deformation band is absent in materials having __________ lattice crystal structure. Bcc None of these Fcc Hcp Bcc None of these Fcc Hcp ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of stress corrosion ? Neither (a) nor (b) Caustic embrittlement of steel Season cracking of brass Both (a) & (b) Neither (a) nor (b) Caustic embrittlement of steel Season cracking of brass Both (a) & (b) 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 240000 J 90000 J 60000 J 30000 J 240000 J 90000 J 60000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is a boiler accessory i.e., not a boiler mounting ? Feed water pump Stop valve Blow off cock Feed check valve Feed water pump Stop valve Blow off cock Feed check valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Free oxygen is removed from boiler feed water, because it Reduces heat transfer co-efficient None of these Causes explosion Is corrosive Reduces heat transfer co-efficient None of these Causes explosion Is corrosive ANSWER DOWNLOAD EXAMIANS APP
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