Related Questions

If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be
A Zero
B Small
C Large
D None of the above
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.
A Gas
B Liquid
C Both A & B
D Neither A nor B
The process employing desorption of the absorbed solute by a solvent is called
A Elution
B Osmosis
C Reverse osmosis
D Sublimation
In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole.
A 100
B 1000
C 10000
D 100000
In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is
A Equal to the heat of formation of surface compound
B Equal to the heat of wetting
C Zero
D Called integral heat of adsorption
When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the
A Le-Chatelier principle
B Kopp's rule
C Law of corresponding state
D Arrehenius hypothesis
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
A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor.
A Saturated
B Superheated
C Unsaturated
D Dry gaseous
The pressure under which liquid and vapor can co-exit at equilibrium is called the __________ vapor pressure.
A Limiting
B Real
C Saturated
D Normal
In a magnetic material hysteresis loss takes place primarily due to
A Rapid reversals of its magnetization
B Flux density lagging behind magnetizing force
C Molecular friction
D It high retentivity

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