AMCA fan performance classifications are based on
A) The physical design of the fan wheel
B) the minimum and maximum motor horsepower
C) Minimum and maximum fan RPM for the design airflow
D) The upper and lower ranges of static pressure and outlet velocity
D
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What was the main contribution of the Morrill Act of 1862?
a. Help teach practical methods of manufacturing and producing food and fiber b. Authorize experiment stations in states with land grant colleges c. Establish Vocational Agriculture in public high schools d. Set up the Cooperative Extension Service
Which of the following is considered an agribusiness company?
a. Apple sauce producers b. John Deere tractor manufacturer c. Producer of genetically modified seed d. All of the above. e. Both (a) and (c)
If a polyol has four active sites per molecule and an isocyanate also has four active sites per molecule, why isn't a 1:1 mixture by weight a likely ideal concentration mixture? What should be the correct ratio?
What will be an ideal response?
Explain why heating elements in water heaters are frequently rated 250 volts for operation on 240-volt circuits.
What will be an ideal response?