API 661 Air-Cooled Heat Exchangers for General Refinery Services API 661 covers design, materials, and performance criteria for air-cooled heat exchangers in refinery environments. You’ll need working knowledge of thermal calculations, mechanical stress analysis, fouling factors, and corrosion-resistant alloy selection. The exam also tests familiarity with vibration assessment, fan performance curves, and tube bundle configuration?critical when equipment operates under extreme pressure and temperature swings in catalytic cracking units or hydrocarbon processing.
| Exam Name | API 661 Air-Cooled Heat Exchangers for General Refinery Services |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
