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

HEATINC VENTILATING AIR CONDITIONING GUIDE 1944 dust, wood shavings, wool, cotton and many other substances.

HEATING VENTILATINC AIR CONDITIONING GUIDE 1944 Power: The rate of performing work; usually expressed in units of horsepower, Btu per hour, or watts.

32 Chapter 1 1945 Guide "with the Inside Air displaced by_fhe Ventilating Air is 2099 X 31.41 = 65,900 Btu per hour; the weight of water leaving is 2099 X 0.01115 = 23.411b per hour.----------------- Each occupant may be regarded as a normal person standing at rest and therefore evaporating 0.198 lb of water per hour at about 79 F (Table 3, Chapter 2).

Table 2.

160 Chapter 8 1945 Guide by poor'mhring of- thefuelandairr It is considered good practicer under -- usual operating conditions, to supply from 25 to 50 per cent excess air, dependent upon the fuel utilized.

454 Chapter 24 1945 Guide considerably.

v..

CHAPTER 32 Sound (Control Unit of Noise Measurement, Apparatus for Measuring Noise,General Problem, Kinds of Noise, Noise Transmitted Through Ducts, Design Room Noise Level, Noise Generated by Fan, Natural Attenuation of Duct System, Duct Sound Absorbers, Air Supply Noises, Grille Selection, Cross Transmission Be tween Rooms, Controlling Vibration from Machine Mountings IN ventilating and air conditioning a, building or a-room, the effect of the. mechanical system employed must be considered on the acoustics of the space conditioned.

326.

460 CHAPTER 24 ____________ 1946 Guide.

. 510 CHAPTER 27 1946 Guide heating system requirements.

544 CHAPTER 30 1946 Guide> of water, or for controlling air washer dew-point temperatures when mounted as preheating units on the intake side .of the air washer.

626 CHAPTER 35- 4 1946 Guide - ignition of the gas or vapor surro'undihg. the motor, by sparks, dashes, or explosion of tie gas or vapor which may occur within the machine casing.

680 CHAPTER 39 ' ' ______ 1946 Guide medium; under these conditions heat transfer is established from the refrigerant vapor to the cooling medium with resultant condensation of the refrigerant.