_______________ are a type of heating device that uses solid biomass pellets as fuel.
Fill in the blank(s) with the appropriate word(s).
Question 2The Greenridge power plant in Dresden, New York, utilizes wood residue to co-fire with _______________.
Fill in the blank(s) with the appropriate word(s).
Question 3Direct combustion biopower and traditional coal fired power plants both use _______________ engines.
Fill in the blank(s) with the appropriate word(s).
Question 4____ technology is efficient because hot exhaust gas from the gas turbine can be used to heat water into steam to turn another turbine.
a. Fluidized bed boiler c. Combined cycle
b. Stoker boiler d. Direct combustion
Question 5The majority of biopower electrical plants utilize ____ technology, with an average efficiency of ____.
a. direct combustion; 35-40 c. combined cycle; 50
b. co-firing; 60 d. hydronics; 20-25
Question 6Biomass gasification utilizes ____, which is the heating of a hydrocarbon fuel in a low oxygen environment.
a. pyrolysis c. oxidation
b. combustion d. hydrolysis
Question 7Co-firing is the process of burning biomass that is mixed with ____.
a. petroleum or natural gas c. coal or diesel fuel
b. diesel fuel or natural gas d. coal or natural gas
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