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Stoichiometry

Pick out the wrong unit conversion of heat transfer rate?

August 24, 2021March 4, 2019 by admin
Pick out the wrong unit conversion of heat transfer rate?

A. 1 kcal/hr= 1.163 Watt
B. 1 Watt = 1.163 kcal/hr
C. 1 BTU/ft2.hr = 2.712 kcal/m2.hr
D. 1 kcal/m2.hr = 0.3687 BTU/ft2.hr = 1.163 Watt/m2

Categories Stoichiometry

Othmer chart is useful in estimating the heat of_______________?

August 24, 2021March 4, 2019 by admin
Othmer chart is useful in estimating the heat of_______________?

A. Mixing
B. Wetting
C. Adsorption
D. None of these

Categories Stoichiometry

Concentration of a solution expressed in terms of _______________ is independent of temperature?

August 24, 2021March 4, 2019 by admin
Concentration of a solution expressed in terms of _______________ is independent of temperature?

A. Molarity
B. Normality
C. Molality
D. None of these

Categories Stoichiometry

Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is_______________?

August 24, 2021March 4, 2019 by admin
Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is_______________?

A. 0
B. 1
C. 2
D. 3

Categories Stoichiometry

The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?

August 24, 2021March 4, 2019 by admin
The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?

A. 1
B. 6
C. 3
D. 4

Categories Stoichiometry

Applicability of Clausius-Clapeyron Equation is subject to the condition that the __________________?

August 24, 2021March 4, 2019 by admin
Applicability of Clausius-Clapeyron Equation is subject to the condition that the __________________?

A. Vapor follows ideal gas law
B. Volume in the liquid state is negligible
C. Both A. & B.
D. Neither A. nor B.

Categories Stoichiometry

A vapor whose partial pressure is less than its equilibrium vapor pressure is called a ______________ vapor?

August 24, 2021March 4, 2019 by admin
A vapor whose partial pressure is less than its equilibrium vapor pressure is called a ______________ vapor?

A. Saturated
B. Supersaturated
C. Superheated
D. None of these

Categories Stoichiometry

Lower wall courses of soaking pits are made of _____________ bricks to avoid the action of molten slag & scale?

August 24, 2021March 4, 2019 by admin
Lower wall courses of soaking pits are made of _____________ bricks to avoid the action of molten slag & scale?

A. Chrome or magnesite
B. Silicon carbide
C. Silica
D. Low duty fireclay

Categories Stoichiometry

Refractories used in/for ______________ should have low thermal conductivity?

August 24, 2021March 4, 2019 by admin
Refractories used in/for ______________ should have low thermal conductivity?

A. Coke ovens
B. Insulation
C. Regenerators
D. Muffle furnaces

Categories Stoichiometry

Faster rate of drying of moulded refractories results in high ______________ of refractories?

August 24, 2021March 4, 2019 by admin
Faster rate of drying of moulded refractories results in high ______________ of refractories?

A. Green strength
B. Voids
C. Shrinkage
D. Both B. and C.

Categories Stoichiometry
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