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Heat Transfer - Engineering

Q1:

Heat transfer rate per unit area is called

A thermal conductivity

B heat flux

C heat transfer co-efficient

D thermal diffusivity

ANS:B - heat flux

The heat transfer rate per unit area is called heat flux. Heat flux (q) is defined as the amount of heat transfer per unit area and is expressed in units of power per unit area (e.g., watts per square meter). It represents the rate of heat transfer through a surface or across a boundary. Therefore, the correct option is: heat flux