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Incinerators Mobilization Construction


Quiz Questions

1. Incinerator is a special type of structure for the reduction of refuse to inert gases and solids by burning.
True
False
2. ______________________ is an inclined floor on which the wet material is dried and burned . It may be constructed of firebrick or of cast iron grate bars.
Grate
Hearth
3. _____________________ is the space between the grate and the arch and between the hearth and the arch.
Mixing chamber
Ignition chamber
4. The final chamber of the furnace where combustion of the gases is completed is called the combustion chamber.
True
False
5. The wall between the mixing chamber and the combustion chamber is called the ignition wall.
True
False
6. The horizontal connection between the combustion chamber and the stack is called a _________.
Damper
Flue
7. Wet garbage incinerators are general purpose incinerators and are suitable for the present-day needs at a majority of installations.
True
False
8. The total furnace volume will be such that the heat released per cubic foot of furnace volume will not exceed 18,000 Btu per hour.
True
False
9. The effective grate area for type I incinerators is____________________ for each pound of refuse per hour and for type II ___________________ for each pound of refuse per hour .
0 .022 square foot & 0 .04 square foot
0 .04 square foot & 0.022square foot
10. Horizontal cross-sectional area of combustion chamber in terms of effective grate area is ______________ .
30%
60%
11. The damper is a movable vertical slab constructed of refractory material, steel shapes, and tie rods.
True
False
12. The stack may be square or circular however, the cross-sectional area will not be the same for either shape.
True
False
13. The guillotine doors and the lid on the charging throat are constructed of refractory material.
True
False
14. Garbage cans, when emptied at the incinerator, will be soaked in hot water, then sprayed with hot water inside and outside . Water may be heated for this purpose by means of a hot-water pipe located in the combustion chamber and connected to a hot-water storage tank of required capacity.
True
False
15. Incinerator furnace and stack are represented in ________________________.
Figure A-1
Figure A-2

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