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.Management Sciences
Category: Stoichiometry
Silica bricks are never used for lining the_________________?
A. Beehive coke ovens
B. By-product coke ovens
C. Dome of blast furnace stoves
D. Roof of open hearth furnace
Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the________________?
A. Vapor follows the ideal gas law
B. Molal latent heat of vaporisation is constant within the limited temperature range
C. Volume in the liquid state is negligible compared with that in the vapor state
D. All A., B. & C.
Magnesite refractories are generally not used in the__________________?
A. Electric furnace walls
B. Steel melting furnace
C. Open hearth furnace
D. Burning zone of cement kilns
An equation for calculating vapour pressure is given by, log10 P = A – B(t + c). This is called the________________?
A. Kistyakowsky equation
B. Antoine equation
C. Kopp’s rule
D. Trouton’s rule
A solution with reasonably permanent pH is called a/an _______________ solution?
A. Ideal
B. Non-ideal
C. Buffer
D. Colloidal
The density of a liquid is 1500 kg/m3. Its value in gin/litre will be equal to________________?
A. 1.5
B. 15
C. 150
D. 1500
‘Cox’ chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the_____________?
A. Temperature vs. log (vapor pressure)
B. Vapor pressure vs. log (temperature)
C. Log (temperature) vs. log (vapor pressure)
D. Vapor pressure vs. temperature
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