A. 0.1013
B. 1.013
C. 10.13
D. 101.3
CHEMICAL ENGINEERING
Atomic ______________ of an element is a whole number?
A. Weight
B. Number
C. Volume
D. Radius
The latent heat of vaporisation__________________?
A. Decreases with increased temperature
B. Decreases as pressure increases
C. Becomes zero at the critical point
D. All A., B. & C.
Atoms of the same element, but of different masses are called__________________?
A. Isobars
B. Isotones
C. Isotopes
D. None of these
The temperature at which the second Virial co-efficient of a real gas is zero is called the_____________________?
A. Eutectic point
B. Boyle temperature
C. Boiling point
D. Critical temperature
Percentage saturation of a vapor bearing gas is always _____________ the relative saturation?
A. Higher than
B. Smaller than
C. Equal to
D. Either A. or B.; depends on the system
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
Size range of the colloids particles is __________________?
A. 5 – 200 milli-microns
B. 50 – 200 microns
C. 500 – 1000 microns
D. 10 – 50 Angstrom