Chemical Engineering Basics Tempering of a material does not improve its Toughness Machinability Softness Internal stress level Toughness Machinability Softness Internal stress level ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of cathodic protection of metals against corrosion ? Painted steel Lead lined reactor Case hardened steel Galvanised iron Painted steel Lead lined reactor Case hardened steel Galvanised iron 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 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 60000 J 240000 J 30000 J 90000 J 60000 J 240000 J 30000 J 90000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Hexagonal close, packed (hcp) Face centred cubic (fcc) Body centred cubic (bcc) Simple cubic Hexagonal close, packed (hcp) Face centred cubic (fcc) Body centred cubic (bcc) Simple cubic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump. Reciprocating Axial flow Electromagnetic Diaphragm Reciprocating Axial flow Electromagnetic Diaphragm ANSWER DOWNLOAD EXAMIANS APP
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