| 1 | A | B | C |
| --- | --- | --- | --- |
| 2 | Overall pressure ratio - Examples |  |  |
| 3 | Engine | Overall pressure ratio | Major applications |
| 4 | General Electric GE9X | 60:1 | 777X |
| 5 | Rolls-Royce Trent XWB | 52:1 | A350 XWB |
| 6 | General Electric GE90 | 42:1 | 777 |
| 7 | General Electric CF6 | 30.5:1 | 747, 767, A300, MD-11, C-5 |
| 8 | General Electric F110 | 30:1 | F-14, F-15, F-16 |
| 9 | Pratt & Whitney TF30 | 20:1 | F-14, F-111 |
| 10 | Rolls-Royce/Snecma Olympus 593 | 15.5:1/80:1 Supersonic. | Concorde |

Question: How is General Electric F110 better than the Pratt & Whitney TF30?
Answer: The Pratt & Whitney TF30 had a pressure ratio of about 20:1, and the General Electric F110 has improved this to about 30:1.