The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation_________________?

Related Mcqs:

Carborundum used for making crucibles for melting non-ferrous metals is chemically________________?

A. Silicon carbide B. Silicon nitride C. Crystalline magnesia D. Zirconium sulphate...

In physical adsorption, as compared to chemisorption, the________________________?

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...

Fusion point of a basic refractory material is________________?

A. Reduced by the addition of acid oxides B. Increased by the addition of acid oxides C. Not affected by the addition of acid oxides D. Always less than 1000°C...

The vapor pressure of a substance, at its melting point, is _____________ in the solid state as compared to that in the liquid state?

A. Less B. More C. Same D. Either A. or B.; depends on the nature of the substance...

Pick out the wrong unit conversion of heat transfer co-efficient?

A. 1 kcal/m2.hr.°C = 0.2048 BTU/ft2.hr. °F. = 1.163 W/m2.°K B. 1 kcal/m2.hr.°K = 1.163 W/m2.°C C. 1 W/m2.°C = 0.1761 BTU/ft2.hr.°F. D. 1 BTU/ft2.hr.°F = 4.88 kcal/m2.hr.°C = 20.44 kJ/m2.hr°C = 5.678 W/m2.°C...