HEATING VENTILATINC AIR CONDITIONING CUIDE 1941 With returns pumped from a vacuum or receiver return pump, the size of the line may be calculated from the water rate on the pump discharge when it is operating, and the line sized for a very small pressure drop, the size being obtained from the Chart for Pressure Drop for Various Rates of Flow of Water, Chapter 45.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1941 at all points where the air stream must change direction or shape, stream line fittings should be employed.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1941 which is indicated as being the maximum number of people within the enclosure when the sum of the remaining loads is a maximum.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 by precooling the brine in the solution cooler to a predetermined tem perature, which is usually below that of the air; by city, well or chilled water.

T able 6.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 Table 1.

HEATING VENTILATING AIR CONDITIONING CUIDE 1942 have no interior walls, the infiltration losses are calculated by using one-half of the total crack, in which case the entire infiltration loss should be considered.

HEATING VENTILATING AIR CONDITIONING CUIDE 1942 is of importance in the original installation of the boiler and also in making repairs to or replacing a damaged boiler at a later date.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 reduces the capacity, but can be largely avoided by proper layout or by the use of directing baffles.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 Table 1.

HEATING VENTILATINC AIR CONDITIONING CUIDE 1942 In an investigation recently conducted at the University of Pittsburgh, in a cooperative research program with the Society, comparative studies were made on the bacterial content of conditioned and non-conditioned operating rooms.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 Further, the velocity contours are identical for similar hood shapes when the hoods are reduced to the same basis of comparison.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 per square foot of grate, if the heating value of the fuel is 12,500 Btu per pound, and the efficiency is 60 per cent?

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 The temperature-controlling aquastat in a hot water storage tank ought to be no higher than the center of the tank, and possibly should be even closer to the bottom since water in a tank stratifies proportionally to the temperature.

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 checked to make sure that they do not include fuel or steam used for other purposes than heating the building.