HEATING VENTILATING AIR CONDITIONING GUIDE 1943 11 p.m. to 7 a.m.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1943 There are three general types of mechanical return devices in common use, namely, (1) the mechanical return trap, (2) the condensation return pump, and (3) the vacuum return line pump.

HEATINC VENTILATINC AIR CONDITIONING GUIDE 1943 sufficient saturation.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1943 Table 2.

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 Such, units are usually designated as filters or unit filters.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1944 100 Per cent excess air =------------------------ -------- ' N, X 0.264 - (o, - ^ J (10) In this formula the symbols represent volumetric percentages of the flue gas constituents as determined by analysis.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1944 For piping which is to be operated at pressures in excess of 15 lb per square inch, rules for fusion welding of pipe joints and the qualification of welders and welding procedures as contained in the American Standard Codefor Pressure Piping should be observed.

HEATINC VENTILATINC AIR CONDITIONING GUIDE 1944 it to approximately the wet-bulb temperature of the surrounding atmos phere.

HEATING VENTILATINC AIR CONDITIONING GUIDE 1944 stream and effecting uniform distribution over the entire face of the supply opening cannot be over-emphasized2.

Officers and List of Chapters, 1943-44--(Continued): ' ' Massachusetts ?

42 Chapter 2 1945 Guide necessary for effectiveness would be likely to transcend the limit of com fort in ordinary occupied rooms.

132 Chapter 6 1945 Guide Table 4.

480, Chapter 25 1945 Guide is equal to the change in temperature times the specific heat, so Equation 12 can be changed to: , 2 = VcG (ti -- Is) 0.245 (13) Dehumidification of Air .

MURDOCK, Charles.E.

290 CHAPTER IS 1946 Guide The total heat gain resulting from outside air introduced may be. deter mined by Equation 3: H = -2- (ho - *0 (3) . where H -- heat to be removed from outside air entering the building above inside con ditions, Btu per hour.