ChE 448, Spring 2008, Exam III. Use space provided
50 points for Common Set, 50 for group specic questions, total 100
Common Set
1. What are the estimated coal reserves in the US?
2. Of the three sources of coal, which one had the highest transportation c
ChE 448, Spring 2007
Exam III - In Class
Closed Text, Closed Notes, Closed Neighbors
1. (5 points) In the current method, approximately how much of the waste stream was
being processed in a year? (your answer should be in pounds per year) (this is the
met
ChE 448, Spring 2008
Exam II, TakeHome
No help from anyone
You are allowed to use ChemCAD to verify your calculations, but you have to use Excel or
MathCAD or some such computational tool which is a bit more transparent than ChemCAD.
I want to see a) how
ChE 448, Spring 2007
Take Home Exam II
Open text, books, notes . No help from anyone, anywhere, anytime
Your answers have to be neat and organized. Write on only on side of the paper.
On a separate sheet of paper, which will be the last page on your submi
ChE 448, Spring 2008
Exam II, InClass
Open text, calculator, 6 Questions, 110 Points total
1. (15 points) You need to make a decision on a petroleum feedstock, to make - gasoline, diesel
and a heavy bottoms stream. You have the following data on prices (r
ChE 448, Spring 2008
Exam II, InClass
Open text, calculator, 3 Questions, 60 Points total
1. (30 points) Consider the following hot and cold streams. Using the temperature interval diagram, show your calculations leading to the minimum utilities for heati
ChE 448, Spring 2008
Exam I - Take Home
Open Everything, except neighbors/friends/aliens/?
1. (5 points) Which of these two compounds (ClCH2 COOH CH3 COOH ) is a stronger
acid? and why?
2. (5 points) What are the roots of the equation ax2 + bx + c = 0?
3.
ChE 448, Spring 2007
Exam I - In Class
Open Text Book, Closed Neighbors
1. (10 points) Consider the following two functions
f (x) = x2 sin2 (x) 1
(1)
g (x) = x3 + cos2 (x) + x2 1
(2)
Find an intersection point for these functions
2. (10 points) A bathtub
ChE 448, Spring 2008
Exam I - In Class
Closed Everything, Except your Mind
Your Name:
Answer the questions ONLY in the spaces provided. DO NOT USE YOUR
OWN PAPER DO NOT SEPARATE THE SHEETS
1. Think briey before you start writing.
2. Yes, there is not suci