EGEE 439 Exam 2 UPDATED ACTUAL Exam Questions and CORRECT Answers

EGEE 439 Exam 2 UPDATED ACTUAL
Exam Questions and CORRECT
Answers
The combustion of Methane is (endo or exo) - CORRECT ANSWER - Exothermic, releases
heat


What is the combustion reaction for methane - CORRECT ANSWER -
CH4+4O2=>CO2+H2O


How much water does wood contain? - CORRECT ANSWER - 50%



Wet wood leads to? - CORRECT ANSWER - Smokey fire



Vapors are called? - CORRECT ANSWER - Volatiles



Char is composed of - CORRECT ANSWER - Carbon and Ash


What is the first thing that actually begins to burn and produce flame? - CORRECT
ANSWER - Volatile



What does char do? - CORRECT ANSWER - Produces glowing embers or Coals



Wood does not generally contain this - CORRECT ANSWER - Sulfur (Sulfur Dioxides)



What are four reasons why wood burning can be problematic - CORRECT ANSWER - 1.
Particulate matter from smoke
2. Soot and Creosote deposit in chimneys

, 3. Ash material build up
4. Can be carcinogenic


What are the four categories for Biomass? - CORRECT ANSWER - 1. Agricultural residues
2. Energy Crops
3. Forestry Residues
4. Processing wastes


What are agricultural residue sources? - CORRECT ANSWER - Corn stover
Wheat straw
Rice Straw
Soy Stalk


Energy Crops? - CORRECT ANSWER - Switch Grass
Sweet sorghum
Sugar cane
Algae
Cattail
Duckweed


Forestry residues? - CORRECT ANSWER - Saw dust
Woody chips


Processing wastes? - CORRECT ANSWER - Food process wastes
Animal Wastes
Municipal solid wastes


What are the three main parts of biomass? - CORRECT ANSWER - Cellulose