Eng6901 - Final Exam Sample Questions
Eng6901 Heat Transfer I
1
Final Exam Sample Questions
The nal exam in Eng6901 - Heat Transfer I consists of four questions: (1) energy balance (multimode heat tra
Eng6901 - Formula Sheet I (October 18)
1
1.1
1
Conduction Heat Transfer
Cartesian Co-ordinates
qx = qx00 Ax = kAx
dT
dx
Rth =
2T
2T
2T
q
1 T
+
+
+ =
2
2
2
x
y
z
k
t
L
kA
T (x) plane wall of thickness
1
Eng6901 Heat Transfer I
Quiz 1 Sample Questions
The first quiz in Eng6901 - Heat Transfer I is designed to test your skills in the solution
of realistic one-dimensional, steady-state conduction heat
Eng6901 - Formula Sheet 2
1
1.1
1
Conduction Heat Transfer
Cartesian Co-ordinates
qx = qx00 Ax = kAx
dT
dx
Rth =
2T
2T
2T
q
1 T
+
+
+ =
2
2
2
x
y
z
k
t
L
kA
T (x) plane wall of thickness 2L, x = 0 at
Eng6901 - Heat Transfer I: Sample Final Exam Questions
1
The final exam in Eng6901 - Heat Transfer I consists of four questions involving steady-state
heat transfer. The questions could involve: (a) a
Eng6901 - Formula Sheet 3 (December 1, 2015)
1
1.1
1
Conduction Heat Transfer
Cartesian Co-ordinates
qx = qx00 Ax = kAx
dT
dx
Rth =
2T
2T
2T
q
1 T
+
+
+ =
2
2
2
x
y
z
k
t
L
kA
T (x) plane wall of thi
PROBLEM 7.16
KNOWN: Temperature and velocity of atmospheric air in parallel flow over a plate of prescribed length
and temperature.
FIND: (a) Average heat transfer coeteient. (b) Local coefcient'af th
PROBLEM 8.24
KNOWN: Inlet and outlet temperatures and velocity of fluid flow in tube. Tube diameter and
length.
FIND: Surface heat ux and temperatures at x 2 0.5 and 10 m.
SCHEMATIC:
l_L=10m
um: 0.2 m
Ran. sex sit
1.5 A freezer compartment consists of a cubical cavity
that is 2 m on a side. Assume the bottom to be per-
fectly insulated. What is the minimum thickness of
Styrofoam insulation (1: B
Eng6901 - Quiz 2 Sample Questions
Eng6901 Heat Transfer I
1
Quiz 2 Sample Questions
The second quiz in Eng6901 - Heat Transfer I is designed to test your skills in the solution of steady
state heat tr
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Eng6901 - Heat Transfer I
1
1
Introduction
1.1
What is Heat Transfer?
Heat transfer is the transmission of energy due to a temperature difference.
Thermodynamics deals with equilibrium processes, an