A. Thermal spalling
B. Slag attack
C. Fusion under load
D. CO attack
A. Crushing strength
B. Resistance to slag attack
C. Both A. and B.
D. Neither A. nor B.
Addition of zircon to silica refractory brick improves its_________________? Read More »
Stoichiometry A. 6.023 × 1013
B. 6.023 × 1010
C. 6.023 × 107
D. 1013
The number of H+ in 1 c.c solution of pH 13 is__________________? Read More »
Stoichiometry A. 27
B. 54
C. 5.4
D. 2.7
A. Quantity adsorbed per unit mass is higher
B. Rate of adsorption is controlled by the resistance to surface reaction
C. Activation energy is very high
D. Heat of adsorption is very large
In physical adsorption, as compared to chemisorption, the________________________? Read More »
Stoichiometry A. 1
B. 10
C. 100
D. 1000
1 bar is almost equal to __________________________ atmosphere? Read More »
Stoichiometry A. A2 is more alkaline than solution A2
B. A1 is highly acidic
C. A1 is very slightly acidic
D. Both A. & C.
A. Decreasing its temperature
B. Increasing the volume of the vessel containing the solution
C. Diluting the solution
D. None of these
Osmotic pressure of the solution can be increased by_________________? Read More »
Stoichiometry A. Recycling in a process stream helps in utilising the valuable reactants to the maximum with
minimum loss of reactants
B. The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the
quantity of the same reactant entering the process as fresh feed is called combined feed ratio
C. Recycling in a process does not help in getting higher extent of reaction
D. Recycling is exemplified by refluxing back a part of the distillate to the distillation column to
maintain the quantity of liquid within the column
Pick out the wrong statement about the recycle stream in a process ? Read More »
Stoichiometry A. Vapor pressure at dry bulb temperature
B. Total pressure
C. Both A. and B.
D. Neither A. nor B.
