Some commercial and industrial systems use ____________________ to cool water and supply it to chilled water coils in the air flow.
Fill in the blank(s) with the appropriate word(s).
water chillers
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Find the estimated emissions listed below for a spreader stoker cogeneration facility that burns 10,000 tons of bituminous coal per year with a 3% by weight sulfur content. Use the EPA’s AP-42 (Volume 1, 5th ed.), Chapter 1: External Combustion Sources Emission factors for Bituminous and Subbituminous Coal Combustion.
a. Tons of SOx emitted per year b. Tons of NOx emitted per year c. Tons of CO emitted per year What will be an ideal response?
In cast and molded parts, a good design practice is to keep major wall thicknesses ____ throughout the part to reduce distortion of the part during its cooling.
A. within a magnitude of each other B. about the same C. less than 10 mm D. greater than 50 mm
_____ is the largest heron in North America
a. Little blue heron b. Snow heron c. Cattle heron d. Great blue heron
The output impedance of a function generator is usually
A) 50 ? B) 600 ? C) 75 ? D) any of the above