MAE 423 HEAT AND MASS TRANSFER
EXAM 1 Practice Questions
40
Name: _
1.
10
You are allowed one sheet of notes.
A planar wall has a temperature of 800 C on one side and 50 C on the other side. If the
wall is 10 cm thick, and has a thermal conductance of 0.5
MAE423 Tentative Teaching Schedule for Spring 2017
Date
January 9
M
1st t Day of Class, Basic Math Concepts, Read: 1.2.1 Conduction, 1.2.2 Convection
11
W
Read: 1.2.2 convection. HW 01 to be distributed.
13
F
Read: 1.2.3 radiation, Last Day to Register, A
MAE 423 Heat Transfer, Spring 2017
Session 001: MWF: 9:00 am 9:45 am, Class Room ESB G102
Course Syllabus
Instructor
Dr. Hailin Li, Office: ESB 751, Phone: (304) 293-3187, Email: hailin.li@mail.wvu.edu.
Office Hours:
MWF: 8:30 to 9:00 am and 9:45 am 10:00
MAE423Homework5
ThishomeworkcoversmaterialslecturedinChapter4,5and6andisdueTuesday,October20th,2015.
Eachproblemisworththepointsindicated.Copyingofthesolutionfromanotherisnotacceptable.
1. Please derive the equation (4.43) for case 4 Node at external corn
MAE423Homework6
This homework covers materials lectured in Chapter 7 and is due Tuesday, November 3rd, 2015.
Each problem is worth the points indicated. Copying of the solution from another is not acceptable.
1. A 10m4m side wall of a single house is expo
MAE423Homework3
This homework is due Tuesday, September 15th, 2015. Each problem is worth the points indicated.
Copyingofthesolutionfromanotherisnotacceptable.
1.Multiplechoicequestion.Theremaybemorethanonecorrectanswer(15Points).
1.1Pleasecirclethoseaffe
MAE423Homework2
This homework is due Tuesday, September 3rd, 2015. Each problem is worth the points indicated.
Copyingofthesolutionfromanotherisnotacceptable.
1.Multiplechoicequestion.Theremaybemorethanonecorrectanswer(15Points).
1.1Pleasecircletheonedomi
MAE423Homework4
This homework is due Tuesday, September 29th, 2015. Each problem is worth the points indicated.
Copyingofthesolutionfromanotherisnotacceptable.
1.Multiplechoicequestion.Theremaybemorethanonecorrectanswer(15Points).
1.Shortanswerquestions(2
ExampleQuestionsforChapter5
Example5.1(revised):Thermocouplejunctioncanbeapproximatedasasphereistobeused
fortemperaturemeasurementinagasstream.
Theparametersforthermocouplejunction: k 20
Convectionheattransfercoefficient: h 400
J
J
kg
, c 400
, 8500 3
mK
MAE 423 HEAT AND MASS TRANSFER
EXAM 2 Practice Questions
48
Name: _
1.
10
You are allowed two sheets of notes.
s
A Styrofoam cooler has an internal size of 0.5 m 0.75 m 0.5 m
and a wall thickness of 40 mm with thermal conductivity k = 0.033
mm,
W/m K. If
MAE 423 HEAT AND MASS TRANSFER
EXAM 3 Practice Questions
55
Name: _
1.
You are allowed three sheets of notes.
A 20 mm diameter spherical ice cube (at 0 C) is placed in a
drink (mostly water) which is at room temperature (20 C).
What is the heat transfer r