Chemical Engineering Basics A suitable lubricant used for watches is Hazel-nut oil Palm oil Metallic soap solution Grease Hazel-nut oil Palm oil Metallic soap solution Grease 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 30000 J 90000 J 60000 J 240000 J 30000 J 90000 J 60000 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 Cheaper Oxidised preferentially Lighter Reduced preferentially Cheaper Oxidised preferentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If the head is doubled in & centrifugal pump, the power required will increase in the ratio of 23 23/2 25/2 21/3 23 23/2 25/2 21/3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For hardening high alloy steel, it is to be heated slowly and uniformly to avoid Local hardening Segregation Warpage Scale formation Local hardening Segregation Warpage Scale formation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent. 300 200 150 400 300 200 150 400 ANSWER DOWNLOAD EXAMIANS APP