JAMB - Physics (2006 - No. 6)
The thermos flask is designed to?
prevent heat loss or gain by conduction, convection and radiation
store hot tea or water
prevent heat gain by conduction, convection and radiation
prevent heat lost by conduction, convention and radiation
解释
The thermos flask is designed to: A. prevent heat loss or gain by conduction, convection, and radiation
Its design minimizes heat transfer in all three forms, keeping liquids hot or cold for extended periods.