FUNDAMENTALS OF MATERIALS SCIENCE AND E
5th Edition
ISBN: 9781119571803
Author: Callister
Publisher: WILEY
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Chapter 12.25, Problem 46QP
To determine
The difference between Junction transistors and MOSFETs in terms of operation and application.
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A plane wave propagating in the +z direction in medium 1 is normally incident to medium 2 located at
the z=0 plane as below. Both mediums are general, characterized by ( ε i, Hi, σ¡ ).
[ ει μη σ]
Ex
[ ει μη ση ]
Ex
tot
E₁₂ (z) = E'₁e¹²
-122
E(z) = Ee+ E₁₁₁²
E₁x
z=0
1. Specify the electric field reflection coefficient г and transmission coefficient T:
E
ΓΔ
E
E
TA
EL
2. Show that T=1+г. Can the transmitted electric field amplitude in region 2 be LARGER than the
incident electric field amplitude?
3. Determine expressions for P₁AV'(z), PIAV'(z) and P2AV'(z) (note the sign for the reflected power
direction should be (-z).
2) In the ideal transformer circuit shown below find Vo and the complex power supplied by the source.
292
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b
1:4
16 Ω
ww
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+
240/0° V rms
-12492
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Required information
A one-shell-pass and eight-tube-passes heat exchanger is used to heat glycerin (cp=0.60 Btu/lbm.°F) from 80°F to 140°F
by hot water (Cp = 1.0 Btu/lbm-°F) that enters the thin-walled 0.5-in-diameter tubes at 175°F and leaves at 120°F. The total
length of the tubes in the heat exchanger is 400 ft. The convection heat transfer coefficient is 4 Btu/h-ft²°F on the glycerin
(shell) side and 70 Btu/h-ft²°F on the water (tube) side.
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.
Determine the rate of heat transfer in the heat exchanger before any fouling occurs.
Correction factor F
1.0
10
0.9
0.8
R=4.0 3.0 2.0.15 1.0 0.8.0.6 0.4 0.2
0.7
0.6
R=
T1-T2
12-11
0.5
12-11
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
(a) One-shell pass and 2, 4, 6, etc. (any multiple of 2), tube passes
P=
T₁-11
The rate of heat transfer in the heat exchanger is
Btu/h.
Chapter 12 Solutions
FUNDAMENTALS OF MATERIALS SCIENCE AND E
Ch. 12.25 - Prob. 1QPCh. 12.25 - Prob. 2QPCh. 12.25 - Prob. 3QPCh. 12.25 - Prob. 4QPCh. 12.25 - Prob. 5QPCh. 12.25 - Prob. 6QPCh. 12.25 - Prob. 7QPCh. 12.25 - Prob. 8QPCh. 12.25 - Prob. 9QPCh. 12.25 - Prob. 10QP
Ch. 12.25 - Prob. 11QPCh. 12.25 - Prob. 12QPCh. 12.25 - Prob. 13QPCh. 12.25 - Prob. 15QPCh. 12.25 - Prob. 16QPCh. 12.25 - Prob. 17QPCh. 12.25 - Prob. 18QPCh. 12.25 - Prob. 19QPCh. 12.25 - Prob. 20QPCh. 12.25 - Prob. 21QPCh. 12.25 - Prob. 22QPCh. 12.25 - Prob. 23QPCh. 12.25 - Prob. 24QPCh. 12.25 - Prob. 25QPCh. 12.25 - Prob. 27QPCh. 12.25 - Prob. 28QPCh. 12.25 - Prob. 29QPCh. 12.25 - Prob. 30QPCh. 12.25 - Prob. 31QPCh. 12.25 - Prob. 32QPCh. 12.25 - Prob. 33QPCh. 12.25 - Prob. 34QPCh. 12.25 - Prob. 35QPCh. 12.25 - Prob. 36QPCh. 12.25 - Prob. 37QPCh. 12.25 - Prob. 38QPCh. 12.25 - Prob. 39QPCh. 12.25 - Prob. 40QPCh. 12.25 - Prob. 41QPCh. 12.25 - Prob. 42QPCh. 12.25 - Prob. 44QPCh. 12.25 - Prob. 45QPCh. 12.25 - Prob. 46QPCh. 12.25 - Prob. 47QPCh. 12.25 - Prob. 48QPCh. 12.25 - Prob. 49QPCh. 12.25 - Prob. 50QPCh. 12.25 - Prob. 51QPCh. 12.25 - Prob. 53QPCh. 12.25 - Prob. 54QPCh. 12.25 - Prob. 55QPCh. 12.25 - Prob. 56QPCh. 12.25 - Prob. 57QPCh. 12.25 - Prob. 58QPCh. 12.25 - Prob. 59QPCh. 12.25 - Prob. 2DPCh. 12.25 - Prob. 3DPCh. 12.25 - Prob. 6DPCh. 12.25 - Prob. 7DPCh. 12.25 - Prob. 8DPCh. 12.25 - Prob. 1FEQPCh. 12.25 - Prob. 2FEQPCh. 12.25 - Prob. 3FEQPCh. 12.25 - Prob. 4FEQPCh. 12.25 - Prob. 5FEQP
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