MCQOPTIONS
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MCQOPTIONS
| 1. |
Double pipe heat exchangers are used$? |
| A. | When heat transfer area required is very high |
| B. | When heat transfer area required is very low, i.e (100-200 ft²) |
| C. | Because it occupies less floor area |
| D. | Because it is less costly |
| Answer» C. Because it occupies less floor area | |