Viral meningitis: Meningitis caused by many viruses is usually contagious. However, certain viruses that are transmitted by mosquitoes are usually not spread person to person, so they are not contagious.
3] Heat transfers through the glass by conduction 4] Heat transfers from the glass to the outside air via convection. If the temperature differences are small and there are no winds or drafts, transfer of heat to/from air/glass will be by conduction.
Most heat exchangers are designed in such a way that one fluid, usually a gas or liquid, passes through a tube or metal separator, while another fluid circulates around the partition. This allows for the heat exchange to occur without the two fluids mixing together. Continue Reading.