Which below stated
statement is TRUE about a reservoir of heat?
It has a variable
temperature
The heat exchange is
reversible
It has a finite heat
capacity
There exist no real heat
reservoirs
The heat exchange is
reversible
A heat reservoir is a constant
temperature heat source or sink. Because the temperature is uniform, there is
no heat transfer across a finite temperature difference and the heat exchange
is reversible.
Example
of thermal reservoirs: Lake,
ocean, river etc.
Hence, the correct option is (B).
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