Title: Unit 2 Quiz
Course: ENGY 111 Introduction to Biofuels > Section: ENGY 111 Introduction to Biofuels

Q: Bioenergy means biomass energy that converts chemical energy to heat.
- True
- False
A: True

Q: Biochemical energy converts to heat, stationary power, transportation fuel, commodity chemicals, and fibers.
- True
- False
A: True

Q: Bioenergy is not economically viable, but is being researched and developed due which of the following reasons:
- The environment
- National Security
- Quest for rural development
- All of the above
A: All of the above

Q: National Security policy requires a reduced reliance on foreign oil imports. By 2020, what percentage of oil used is the U.S. is expected to be imported?
- 20%
- 50%
- 64%
- 80%
A: 64%

Q: Compared to fossil fuel, renewable fuel sources have the following weaknesses:

-low bulk density

-high moisture content

-low heating value

-high oxygen content

-biomass is more difficult to handle and process.
- True
- False
A: True

Q: As little as 10% of the energy used to cut, grind, and crush feedstock goes into the process. The remaining 90% can be released as thermal energy or a by-product.
- True
- False
A: True

Q: Biomass moisture can be as high as 50%. In combustion, moisture is not an issue.
- True
- False
A: False

Q: Biomass-based fuels compete directly with petroleum, coal, and natural gas, and isn't cost effective.
- True
- False
A: True

Q: Biofuels are easy to produce and do not require as much energy to convert to hydrocarbons as petroleum.
- True
- False
A: False

Q: Biofuels are competitive cost-wise to petroleum and natural gas.
- True
- False
A: False