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.Management Sciences
Category: Stoichiometry
Which of the following is not a unit of kinematic viscosity ?
A. Poise
B. Stoke
C. cm2/second
D. None of these
The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?
A. Measures the elevation in boiling point
B. Is not dependent on the temperature
C. Is a function of the liquid phase composition
D. Measures the depression in freezing point
Pick out the wrong statement ?
A. ‘Reduced temperature’ of a substance is the ratio of its existing temperature to its critical temperature, both expressed on Celsius scale
B. ‘Reduced pressure’ is the ratio of the existing pressure of a substance to its critical pressure
C. ‘Reduced volume’ is the ratio of the existing molal volume of a substance to its critical molal volume
D. None of these
Pick out the wrong unit conversion of calorific value?
A. 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg
B. 1 BTU/ft3 = 8.9 kcal/m3 = 0.038 MJ/m3
C. 1 BTU/lb = 2.3 kcal/kg
D. 1 kcal/m3 = 0.1124 BTU/ft3
For an ideal solution, the total vapor pressure varies _____________ with the composition (expressed as mole fraction)?
A. Inversely
B. Exponentially
C. Linearly
D. Negligibly
______________ equation gives the effect of temperature on heat of reaction ?
A. Kirchoff’s
B. Maxwell’s
C. Antoine
D. Kistyakowsky
The quantity of heat required to evaporate 1 kg of a saturated liquid is called __________________?
A. Specific heat
B. 1 Kcal
C. Sensible heat
D. Latent heat
Internal energy of a substance comprises of the _____________ energy?
A. Vibrational
B. Rotational
C. Translational
D. All A., B. & C.
A saturated vapor on being compressed would___________________?
A. Condense
B. Form wet steam
C. Both A. & B.
D. Neither A. nor B.
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