Chemical Engineering Basics __________ is the most important element, which controls the physical properties of steel. Vanadium Carbon Silicon Manganese Vanadium Carbon Silicon Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Is immaterial Decreased compressor power Causes heat loss due to poor heat transfer Can be prevented by proper design Is immaterial Decreased compressor power Causes heat loss due to poor heat transfer Can be prevented by proper design ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Corrosion rate can not be lowered by reducing the __________ of the corroding medium. Concentration Temperature Velocity None of these Concentration Temperature Velocity None of these 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 240000 J 60000 J 90000 J 30000 J 240000 J 60000 J 90000 J 30000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Lighter Reduced preferentially Oxidised preferentially Cheaper Lighter Reduced preferentially Oxidised preferentially Cheaper ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression None of these Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression None of these ANSWER DOWNLOAD EXAMIANS APP
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