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.Management Sciences
Category: Stoichiometry
The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is_____________________?
0
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
Pure oxide refractories are generally monocrystalline in nature and are self bonded ______________ bricks are generally used as moderator in nuclear reactors?
A. Beryllia
B. Carborundum
C. Corundum
D. Thoria
Kopp’s rule is concerned with the calculation of__________________?
A. Thermal conductivity
B. Heat capacity
C. Viscosity
D. Surface tension
Gases having same reduced temperatures and reduced pressures_________________?
A. Deviate from ideal gas behaviour to the same degree
B. Have nearly the same compressibility factor
C. Both A. and B.
D. Neither A. nor B.
The heat change for the reaction, C(s) + 2S(s) → CS2(l), is 104.2 kJ. It represents the heat of_________________?
A. Formation
B. Solution
C. Combustion
D. Fusion
The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is___________________?
A. Doubled
B. Halved
C. Trebled
D. Unpredictable
Saturated molal absolute humidity of the vapor-gas mixture depends upon the______________________?
A. Vapor pressure at dry bulb temperature
B. Total pressure
C. Both A. and B.
D. Neither A. nor B.
With increase in the alumina content, the refractoriness of high alumina refractories_________________?
A. Increases
B. Decreases
C. Remain same
D. May increase or decrease
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