engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Heat Transfer Heat Exchanger Heat Exchanger Analysis
A heat exchanger with heat transfer surface area A and overall heat transfer coefficient U handles two fluids of heat capacities C1 and C2 such that C1 > C2. The NTU of the heat exchanger is given by
1
AU/C1
2
AU/C2
3
\({e^{ - \left( {AU/{C_1}} \right)}}\)
4
\({e^{ - \left( {AU/{C_2}} \right)}}\)