Explain how the size of an aquacultural biological filter is determined
What will be an ideal response?
The size of the biological filter is determined by: (1) estimating the ammonia produced from the feed
added to the system, (2) the surface area per cubic foot of the selected material, and (3) the necessary
surface area of microorganisms to remove the ammonia to safe levels.
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How is the polarity of a resistor determined?
What will be an ideal response?
If a crane has three-part reeving, the hoist line is terminated at the _____.
a. load block b. jib c. boom d. hoist sheave
How much of a 16-4-9 grade fertilizer is needed to apply the equivalent of 1 lb. of nitrogen per 1000 sq. ft.?
What will be an ideal response?
A skewed thermostat means it is ________
A) Missing the thermo wax in the heat sensor B) Working, but not at the correct temperature C) Contaminated with coolant D) Not working