1449. Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the September 7, 2025 by Admin Higher condensing film co-efficient is desired Condensate is corrosive in nature Lower pressure drop through the exchanger is desired Temperature of the incoming vapor is very high ✅ The correct answer is option B.