Q. Pick out the wrong unit conversion of mass transfer co-efficient.

View solution

Q. "The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements." This is the statement of

View solution

Q. A bypass stream in a chemical process is useful, because it

View solution

Q. 1 ata is equivalent to

View solution

Q. 1 BTU/ft³ is approximately equal to __________ kcal/m³.

View solution

Q. At 100°C, water and methylcyclohexane both have vapour pressures of 1 atm. Also at 100°C, the latent heats of vaporisation of these compounds are 40.63 kJ/mole for water and 31.55 kJ/mole for methylcyclohexane. The vapour pressure of water at 150°C is 4.69 atm. At 150°C, the vapour pressure of methylcyclohexane would be expected to be

View solution

Q. Pick out the wrong statement.

View solution

Q. Which of the following ratios defines the recycle ratio in a chemical process ?

View solution

Q. NaOH contains __________ percent oxygen.

View solution

Q. Addition of a non-volatile solute to a solvent produces a __________ in its solvent.

View solution

Q. The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be

View solution

Q. Hess's law of constant heat summation is based on conservation of mass. It deals with

View solution

Q. Percentage saturation of a vapor bearing gas is always __________ the relative saturation.

View solution

Q. Cᵨ is expressed in S.I. unit as

View solution

Q. What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively ?

View solution

Q. 1 kg/cm² is equal to

View solution

Q. An azeotropic solution of two liquids has boiling point lower than either of them, when it

View solution

Q. For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become

View solution

Q. One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The latent heat of condensation (kJ/kg⁻¹ ) under these conditions is

View solution

Q. Weight of 56 litres of ammonia at N.T.P. is __________ gm.

View solution