Heating VentiiiAting Air Conditioning Guide 1939 Combustion and Fuels decrease in the size of the fuel pieces, with increase in the depth of fuel bed, and with increase in the area of the firepot; the ratio als<y!

Heating Ventilating Air Conditioning Guide 1939 W = average width of furnace, measured at the bottom of the fuel bed, feet.

Heating Ventilating Air Conditioning Guide 1939 this radiation for heating the outside walls and windows.

'-1 Heating Ventilating Air Conditioning Guide 1939 ISrV Chapter 27.

Heating Ventilating Air Conditioning Guide 1939 ventilation a 2,000 fpm exhaust air velocity at the slot face is advisable In addition, the duct should not be required to draw the air laterally f0j a distance of more than 18 in. and the level of the solution should be kent 6 to 8 in. below the top of the tanks

Heating Ventilating Air Conditioning Guide 1939 In discontinuous driers, e.g., compartment driers, the drying operat; is given by the equation: ion G (2a) In the continuous drier, the heat consumption per unit time is: -2- = Csi(ti -- h) + G(r> -\- h I'i) (Hi -- Hi) + S(t'i -- t\) (s' + ti) + B (3) Equation (3) assumes continuity of operation.

Heating Ventilating Air Conditioning Guide 1939 REFERENCES Commercial Drying Apparatus, by L.

Heating Ventilating; Air Conditioning Guide 1939 closets and smaller fixtures, the probability of a given rate of flow is greater for the system. composed of water closets them for the mixed <9 li, too system..

I > Air System Equipment Aladdin Heating Corporation 1111 West Ave. 137, San Leandro, Calif.

Heating Systems specialities Strong, Carlisle & Hammond 1392 West 3rd St., Cleveland 13, Ohio "STRONG" The Complete Steam Specialties Line 1.

262 CHAPTER 21 * P.

-80- the supervising personnel who in turn should "sell" the worker by education, possibly accompanied by strict and fair supervision and discipline, Employees exposed to dust hazards requiring the wearing of respirators should be convinced that it is essential to sacrifice some comfort and dignity to avoid serious cases of disability and suffer ing.

INDUSTRIAL HYGIENE In very rare cases, enough dust has been inhaled to cause mechanical blockage of the air spaces.

GRACE To: J.

Threshold -unit Values f This defense is -vuiti premised end goes tr.jsiy: *The .S* o* ms.