Which of the following heat flow situations pertains to free or natural convection? Options: A . &nbspAir conditioning installations and nuclear reactors B . &nbspFlow of water inside the condenser tubes C . &nbspCooling of internal combustion engine D . &nbspCooling of billets in atmosphere

Which of the following heat flow situations pertains to free or natural convecti

Question

Which of the following heat flow situations pertains to free or natural convection?

Options:

A . Air conditioning installations and nuclear reactors

B . Flow of water inside the condenser tubes

C . Cooling of internal combustion engine

D . Cooling of billets in atmosphere

Answer: Option D
Answer: (d).Cooling of billets in atmosphere

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