Convection heat transfer mode is comprised of which of the following mechanism? select one: o a. energy transfer solely due to macroscopic motion of fluid o b. energy transfer solely due to microscopic motion of fluid o c. energy transfer solely due to diffusional motion of fluid o d. energy transfer due to macroscopic and diffusional motion of fluid

Option c.

Explanation:

Convection - transfer of heat mode is that technique of transfer of heat in which heat and thermal energy can be transferred from one point to another point in the system by the random movement of the molecules of the fluid. This method of transfer of heat or the mechanism of transfer of heat by convection is the most dominant form of transfer of heat in gases and liquids.

Therefore, we can say that convection involves the transfer of heat as a result of the macroscopic and some random movement of the fluid molecules.  

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.

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