Title: Unit 6 Homework Assignment
Course: BFM 202 Biodiesel Production > Section: BFM 202 Biodiesel Production

Unit 6 Homework Assignment

Credits
BFM 202 Biodiesel Production Unit 1 Homework Assignment has been adapted from "ENGY 131 Unit 1 Homework" by Southeastern Illinois College.

ENGY 131 Biodiesel Production course content by Southeastern Illinois College is licensed under a Creative Commons Attribution 3.0 Unported License. Except where indicated otherwise.

Based on the unit readings,
answer these questions
in a document.
Short Answers: 10 points each

1. What is the cetane number? (page 137/138, chapter 6.1)
2. Why was the cetane number (CN) scale established? (page 138, chapter 6.1)
3. What are the two primary reference fuels (PRF) used in the cetane number scale? (page 138, chapter 6.1)
4. What are the consequences of too high or too low a cetane number? (page 138, chapter 6.1)
5. What is the minimum cetane number for biodiesel according to ASTM D6751? (page 139, chapter 6.1)
6. Define viscosity and how does it relate to engine deposits? (page 143, chapter 6.2)
7. Why is the kinematic viscosity of biodiesel derived from used frying or cooking oils higher than that of biodiesel derived from vegetable oils such as soybean or rapeseed/canola? (page 145, chapter 6.2)