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If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be
Drying of a wet solid under constant drying conditions means the exposure of the wet solid to the air of constant
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.
In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres.
The value of coefficient of adhesion will be high when rails are
The normal value of adhesion friction is
Coefficient of adhesion reduces due to the presence of which of the following?
Coefficient of adhesion is
Due to which of the following coefficient of adhesion improves?
When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when