Heat and Mass Transfer
Radiation is the process of heat transfer in which heat flows from a ________, in a straight line, without affecting the intervening medium.

Hot body to cold body
Smaller body to larger body
Larger body to smaller body
Cold body to hot body

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
In counter flow heat exchangers

One fluid is in hottest state and other in coldest state at inlet
Both the fluids at inlet are in their hottest state
Both the fluids at exit are in their hottest state
Both the fluids at inlet (of heat exchanger where hot fluid enters) are in their coldest state

ANSWER DOWNLOAD EXAMIANS APP