ds By Allen Kazadi Published November 9, 2022 Share Economisers improve boiler efficiency by A. 1 to 5% B. 4 to 10% C. 10 to 12% D. 8 to 12% Answer: Option B TAGGED: Economisers improve boiler efficiency by Allen Kazadi November 9, 2022 November 9, 2022 By Allen Kazadi Follow: Allen is a Technology guy, He basically works on Top articles related to Technology, Gadgets, and more. To know more about his work. Search Search for:
