" ( ' " American Society of Heating and Ventilating Engineers Guide, 1936 10 t a.

American Society of Heating and Ventilating Engineers Guide, 1936 3.

American Society of Heating and Ventilating Engineers Guide, 1937 Grate Area, Boiler Selection The required grate area may be determined by the following formula- where r- H FXEX C G = required grate area, square feet. .

w American Society of Heating and Ventilating Engineers Guide, 1937 pig. 3.

American Society of Heating and Ventilating Engineers Guide, 1937"" Duct Construction Details If panel construction is used with standing seams or similar reinforce, ment, and the panels are cross-broken to give rigidity, there is less like' lihood of vibration due to air flow, or deflection due to air pressure' Elbows made without splitters, and improperly shaped transformation sections produce high local velocities which, are the cause of noise in duct work.

8 Q American Society of Heating and Ventilating Engineers.

American Society of Heating and Ventilating Engineers Guide 1937 it is possible to estimate these variables with a considerable degree of accuracy for any climate or construction.

Heating Ventilating Air Conditioning Guide 1938 F is similar to D but is for dry air, devoid of all moisture or water vapor.

Heating Ventilating Air Conditioning Guide 1938 i perature 95 F and 80 F, respectively?

Heating Ventilating Air Conditioning Guide 1938 Expansion may be taken care of by any, or all, of three different methods, namely, (1) the spring in the pipe including offsets and expan sion bends, (2) the turning of the pipe on its threads and swing joints, and (3) the use of expansion joints.

Heating Ventilating Air Conditioning Guide 1938 this type of corrosion than the ferrous metals, and considerable attention is now being given to corrosion-resistant linings for ferrous pipe.

Heating Ventilating Air Conditioning , Guide 1938 Table 3.

r Heating Ventilating Air Conditioning Guide 1938 REFERENCES Effect of Air Conditioning upon Munitions, by J.

Heating Ventilating Air Conditioning Guide 1938 Table 13.

r Heating Ventilating Air Conditioning Guide 1938 UTable 11.