Process Flow Diagrams and Flow Tables:
Process Flow Diagrams and flow tables are used extensively in engineering. The
Process Flow Diagram is the picture of the process. It includes symbols to represent
the various units in a process and streams with numb
Chemical Engineering
310 Material and Energy Balances
Properties and Conversions to Know
Properties of Water:
Density:
8.33 lb/gal
62.4 lb/ft3
1000 kg/m3
Heat Capacity :
1 Btu/lbF
4.18 J/gC
Heat of Vaporization (212F):
1000 Btu/lb (970)
Properties of Air
Due Date: 5/29/17
ChemE 310
Assignment #1 (Part A)
1.(16) We would like you to start thinking about your career including summer internships and
CO-OP opportunities. To help you we will be having a resume workshop on the first
Thursday recitation sect
Due Date: 5/31/17
ChemE 310
Assignment #1 (Part B)
1.(16) To encourage you use the cover letter and resume you have created we would like you
start using the UW Center for Career Services (Husky Jobs). Register with them, submit
your resume, find and
Due: 4/21/17 9:30 am (105 Benson) ChemE 310
1.(4)
Assignment #4
Wet air containing 4.0 mole% water vapor at 76F and 14.8 psia is passed through a column of calcium
chloride pellets. The pellets absorb 97% of the water and none of the other constituents of
Due Date: 4/7/17
1.(2)
Assignment #2
Convert the following:
a)
b)
c)
d)
2.(2)
ChemE 310
4 gmole of MgCl2 to g
2 lbmole of C3H8 to g
16 g of N2 to lbmole
3 lbmole of C2H6O to gmole
A liquid has a specific gravity of 0.90 at 25C and 1.2 atm pressure
Due Date: 5/12/17
ChemE 310
Assignment #7
1.(4)
F,R&B 6.14
2.(4)
F,R&B 6.23
3.(4)
A mixture of 50% benzene and 50% toluene is contained in a cylinder at 39.36 in. Hg
absolute. Calculate the temperature range in which a two phase system can exist.
4.(4)
F,
Due Date: 5/26/17
ChemE 310
Assignment #9
1.(2)
Write down the energy balance for a vapor stream going through a throttling valve (a
valve that just reduces the pressure). State your assumptions.
2.(2)
In using my propane powered grill the other day (nice
Due Date: 3/31/17
ChemE 310
Assignment #1 (Part C)
1.(2) Convert:
a) 0.4 kg/(sec)(in3) to lbm/(hr)(ft3)
b) 2000 (m)(lbm)(ft)/(hr)(s)(min) to hp
2.(4) The velocity in a pipe in turbulent flow is expressed by the following equation:
1/2
u
Due Date: 4/28/17
ChemE 310
Assignment #5
1.(2)
A student is trying to convert 40 C to F. The student first converts to Kelvin by adding
273 to give 233 K. Then the student multiplies by 9/5 to convert to Rankin giving 419 R.
Then the student subtract 460
Due Date: 5/5/17
Chem E 310
Assignment #6
1.(2)
You have been asked to settle an argument. The argument concerns the maximum
allowable working pressure (MWAP) permitted in an A1 gas cylinder. One of your
coworkers says the calculating the pressure in a ta
Due Date: 5/19/17
ChemE 310
Assignment #8
1.(4)
F,R&B 7.38
2.(4)
F,R&B 7.34
3.(4)
An office building requires water at two different floors. A large pipe brings city water
supply into the building in the basement level (500 gal/min, 1 atm pressure and wit
Due Date: 6/2/17
1.(4)
F,R&B 9.8 a), b) and c)
2.(4)
F,R&B 9.15 (as follows)
i)
ii)
iii)
iv)
Chem E 310
Assignment #10
do part a)
do part b) and c)
repeat part b) and c) but using a pathway approach
do part d)
3.(4)
F,R&B 9.44 a) using either approach (ou
Chem E 310
Exam #2
Closed Book and Closed Notes
5/23/16
Name:_
Show all Work
State all Assumptions
8 problems, 100 points, 9 pages + 2 data/equation pages). Problems are in no particular order.
1.(4)
Write down the energy balance for a vapor stream going
I. Introduction
II. Review: Engineering Calculations, Units, and Problems Solving. [F,R&B chapters 2,3]
A. Units, Dimensions & Conventions [F,R&B 2.0 2.3]
1. Dimensions: What we measure
a. time, distance, mass, energy
2. Units: What "quantity" we measure
Chem. Eng. 310
Material and Energy Balances
Recitation #10
Spring, 2017
5/30/17
1.(40) (old test problem) If hydrogen is burned at 1 atm with excess air and the adiabatic flame
temperature is 1225C, what was the percentage of excess air used? The reactant
Chem. Eng. 310
Material and Energy Balances
Recitation #6
1.(4)
Spring, 2017
5/2/17
P!
What values (> 0, = 0, < 0) for ! can a gas or liquid take? Explain. [< 0]
V T
2.(12) Nine hundred forty-seven cubic feet of wet air at 70F and 33.08 ft of water are
Chem. Eng. 310
Material and Energy Balances
Recitation #3
Spring, 2017
4/11/17
1.(20) (Test Problem) A liquid adhesive, which is used to make laminated boards, consists of a
polymer dissolved in a solvent. The amount of polymer in the solution has to be c
in
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Chem. Eng. 310
Material and Energy Balances
Recitation #6
Spring, 2016
5/3/16
P
1.(4)
What values (> 0, = 0, < 0) for can a gas or liquid take? Explain. [< 0]
V T
2.(12)
Nine hundred forty-seven cubic feet of wet air at 70F and 33.08 ft of water
Chem. Eng. 310
Material and Energy Balances
Recitation #1
1.
3/29/16
The University has decided to place a new fountain in the quad. The design calls for a
pool 20 ft. in diameter and 2 ft. deep. The pool bottom will have a "blue ceramic"
appearance. T
Chem. Eng. 310
Material and Energy Balances
Recitation #7
Spring, 2016
5/10/16
1.(12)
A gas leaves a vapor recovery system saturated with Benzene at 50C and 750 mm Hg. The gas
analyzes, on a benzene-free basis, 15% carbon dioxide, 4% oxygen, and the r
Chem. Eng. 310
Material and Energy Balances
Recitation #8
Spring, 2016
5/17/16
1.(24)
Water is often used for cooling processes. Usually it is recycled and comes from cooling
towers so the water is usually only available at 80F for cooling.
Bypasses