Physics · Heat Transfer
The NTU (Number of Transfer Units) effectiveness method for the analysis of a heat exchanger is primarily used when:
- 1inlet temperature of only one fluid is known
- 2outlet temperature of only one fluid is known
- 3inlet temperatures of both fluids are known but outlet temperatures are unknown✓
- 4outlet temperatures of both fluids are known but inlet temperatures are unknown
Correct answer
inlet temperatures of both fluids are known but outlet temperatures are unknown
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