American Society of Heating and Ventilating Engineers Guide, 1935 Chapter 4--Natural Ventilation in al!

of andAmerican Society Heating Ventilating Engineers Guide~7935 where L -- Loudness in db; / = Intensity.

American Society of Heating and Ventilating Engineers Guide, 1935 V. i --1 t 1 . jf \ Q. >, . . >> ">% Q. a. > Q.

of and 1936American Society Heating Ventilating Engineers Guide, mately the same value in July, August and September, and although the average monthly temperature did not vary much, the prevailing outdoor temperature ranged from 70 F to 99.5 F.

' American Society of Heating and Ventilating Engineers Guide, 1936 In exhaust ventilating systems where the air column moves toward the fan, noise due to the higher tip speeds and outlet velocities will not be so readily transmitted back through the air column to the building as when the air column is moving toward the rooms.

American Society of Heating and Ventilating Engineers Guide, 1936 ceiling of the equipment room, or the inner walls of the ducts, with sound- absorptive materials.

American Society of Heating and Ventilating Engineers Guide, 1937 m parts.

American Society of Heating arid Ventilating Engineers Guide, 1937^ ' 10 In Fig. 3, a static pressure of 85 per cent of blocked tight pressure co, responds to three different volumes, namely 11 per cent, 30 per cent and 48 1^ cent of wide open volume.

of and 1937American Society Heating Ventilating Engineers Guide, product of Equations 7 and 8 to 7/73,- differentiating this product with respect to V arid equating the resulting expression to zero.

American Societyof Heating and Ventilating Engineers Guide, 1937 Chapter 35--Water Supply Piping and Water Heating HORIZONTAL SUPPLY MAINS The horizontal mains supplying the risers at the top. of a down-feed system must be liberally sized unless the house tank is set at a much higher elevation than usual.

American Society of Heating and Ventilating Engineers Guide, 1937 PROBLEMS IN PRACTICE 1 The heating capacity of an indirect water heater is 100 gal per hour, usin steam at 215 F and raising the water from a temperature of 50 to 150 F.

American Society of Heating and Ventilating Engineers Guide, 1937 HENDRICKSON, Harold M.

Heating Ventilating Air Conditioning Guide 1938 The second method is based on steam consumption data which have been taken from a group of buildings in operation, and the results com puted on a degree-day basis.

Heating Ventilating Air Conditioning Guide 1938 pump especially developed for this service.

Heating Ventilating Air Conditioning Guide 1938 too large.