Guide C: Reference Data contains the basic physical data and calculations which form the crucial part of building services engineer background reference material.Expanded and updated throughout, the book contains sections on the properties of humid air, water and steam, on heat transfer, the flow of fluids in pipes and ducts, and fuels and combustion, ending with a comprehensive section on units, mathematical and miscellaneous data. There are extensive and easy-to-follow tables and graphs.*Essential reference tool for all professional building services engineers *Easy to follow tables and graphs make the data accessible for all professionals*Provides you with all the necessary data to make informed decisions.