A. Mass number
B. Number of neutrons
C. Atomic mass
D. None of these
CHEMICAL ENGINEERING
The heat capacity of most substances is greater for the _______________ state?
A. Solid
B. Liquid
C. Gaseous
D. None of these
A sugar solution containing _________________ percent sugar is equivalent to 1 Brix?
A. 0.01
B. 0.1
C. 1
D. 10
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules____________________?
A. Collide without loss of energy
B. Do work equal to loss in kinetic energy
C. Are above the inversion temperature
D. Exert no attractive force on each other
Density of carbon dioxide is _________________ kg/Nm3 ?
A. 44/22400
B. 44/22.4
C. 22.4/44
D. None of these
The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the_____________________?
A. Relative humidity
B. Relative saturation
C. Percentage saturation
D. None of these
The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is_____________________?
A. Termed as relative saturation
B. Not a function of the composition of gas mixture
C. Called percentage saturation
D. Not a function of the nature of vapor