Explain what a photobioreactor is and how it works
What will be an ideal response?
The algae photobioreactor (PBR) uses a closed system consisting of transparent tubes or an aquarium-like structure through which the wet algae is moved. The PBR system allows high sunlight penetration. The enclosure protects against intrusion of unwanted contaminants, organisms, and bugs. Also, the temperature and other parameters can be better controlled in the closed PBR system.
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A sling psychrometer ____.
A. measures the dry-bulb and wet-bulb temperatures of air B. measures the air velocity through a duct C. uses a microprocessor to provide information for proper air balance D. measures the quantity of air, in cfm, flowing through a duct
What information is required in order to be able to identify bids after they are submitted to owners for canvassing?
What will be an ideal response?
The first worldwide effort to limit the use of ozone-depleting chemicals has become known as _________
A) The London Reassessment. B) The Montreal Protocol. C) SALT. D) CERN.
Sketch the current through the load Ro in the switched-mode power supply of Figure P12.32.
