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Biodiesel


Quiz Questions

1. Bio-diesel can reduce global warming gas emissions.
True
False
2. Bio-diesel is non- renewable.
True
False
3. Biodiesel is a diesel replacement fuel for use in CI engines. It is manufactured from plant oils, recycled cooking greases or oils, or animal fats.
True
False
4. Biodiesel is complicated to use.
True
False
5. Biodiesel is generally more susceptible than petroleum diesel to microbial degradation.
True
False
6. Bio-diesel B100 is a good solvent. It is not compatible with some metals and plastics.
True
False
7. Composition of various biodiesel feed stocks in order of increasing saturated fatty acid content is represented in ____________________.
Figure 2
Figure 3
8. The cloud point of B100 is typically lower than the cloud point of conventional diesel.
True
False
9. The atmospheric boiling point of biodiesel is generally ___________________ .
526 º to 575 ºF
626º to 675ºF
10. Biodiesel can oxidize during storage and handling, leading to the formation of peroxides, acids, gums, and deposits.
True
False
11. Cetane number is a measure of the ignition delay (the time from fuel injection into the chamber to ignition). Higher cetane numbers are believed to provide easier starting and quieter operation.
True
False
12. The temperature at which small solid crystals are first visually observed as the fuel is cooled is called pour point.
True
False
13. Splash blending occurs when the biodiesel is added to a stream of diesel fuel as it travels through a pipe or hose in such a way that the biodiesel and diesel fuel become thoroughly mixed by the turbulent movement through the pipe.
True
False
14. ____________________ represents the specifications for Diesel blends B6 to B20.
Table 5
Table 6
15. Elastomer is a rubber-type material frequently used in vehicle fuel systems.
True
False
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