HEATING VENTILATING AIR CONDITIONING GUIDE 1941 SELECTION OF EQUIPMENT The type of system to be used is controlled by the existing load con ditions, the degree of perfection expected from the system, and the designer's knowledge of the operating characteristics of the various types of equipment.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 to heat it until some of the water is vaporized into the air stream.

HEATINC VENTILATINC AIR CONDITIONING GUIDE 1941 equal blackness is obtained.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1941 market, such as fabric filters, dust traps, settling chambers, centrifugal separators, electrical precipitators, and gas scrubbers, described in Chapter 28.

HEATING VENTILATING AIR CONDITIONING CUIDE 1941 reverberant or both, the intensity at the 5-ft station may be almost doubled and the noise level increased nearly 3 db thereby.

r HEATINC VENTILATING AIR CONDITIONING GUIDE 1941 800000 CHAPTER 31.

HEATING VENTILATING AIR CONDITIONING CUIDE 1941 One series of experiments6 made on a commonly used type of duct lining material (1 in: rock wool sheet) has shown that, subject to certain restrictions, the reduction of single-frequency sounds may be expressed by the approximate Equation 2.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1941 Single Phase Motors Capacitor type motors are available in ratings up to 10 or 15 hp for general purposes.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 Vapor Heating System: A steam heating system which operates under pressures at or near atmospheric and which returns the condensation to the boiler or receiver by gravity.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1941 BALL, William (A 1936) Pres, (for mail) InterState Heating & Plumbing Co., 521 Southwest Blvd., Kansas City, Mo., and 1026 Shawnee Rd., Kansas City, Kan.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1942 TYPICAL AIR CONDITIONING PROCESSES Illustrative Examples.

HEATING VENTILATING AIR CONDITIONING CUIDE 1942 during the past few years, there still remain those who believe in a superior, stimulating quality of outdoor air (particularly country, moun tain and seashore air) under ideal weather conditions, as compared with properly conditioned air.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 at a constant level slightly lower than the outlets of the atomizers them-1 selves and is drawn constantly to the atomizer by aspiration when com pressed air is supplied.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 to obtain higher velocities and more uniform flow across the measuring section, it is sometimes possible to reduce the duct to a smaller cross section at the Pitot station by use of a long transition piece.

HEATING VENTILATING AIR*CONDITIONING GUIDE 1943 134 F ig . 1.