Jim Panacio
Prof. Nguyen
History of the Vietnam Wars
20 Apr. 2012
The Vietnam War: Experienced Through Both Sides
The war in Indochina from 1954 to 1975 is known by several names depending on the
perspective. In the United States, this war has been foreve
University of California, Davis
Department of Economics
ECN 1B
Final Examination
Winter Quarter 2010
B. Modjtahedi
Question 1
Which of the following will NOT be included in 2009 GDP?
A. The value of lawn mower engines that Briggs and Stratton made in 2009
160
150
140
130
A
120
B
110
C
100
D
90
E
80
70
60
50
40
0
10
20
30
40
50
60
70
80
90
100
Question 15
The graph above shows the aggregate demand function. The potential GDP is 50 units
and the marginal propensity to consume is 0.90. Wages and prices are fu
a
b
e.II) and Ni3Nb
e.III) Lever rule: fraction of = b/(a+b) = (24-20)/(24-3)=4/21=19%. The rest is Ni3Nb
e.IV) phase: 3% Nb. Ni3Nb: 25% Nb
14
Problem 10 (20 points)
Shown below are the isothermal transformation diagram (TTT) and continuous cooling transf
b.II) Yield point will decrease after recrystallization due to annihilation of dislocations. Ductility will increase,
again due to decrease in dislocation density. Compared to the first sample, this sample will now exhibit lower
yield point relative to th
c.) Problem 4 (10 points)
Calculate the number of vacancies per cubic meter in gold at 950oC. The energy for vacancy formation is 1.1
eV/atom. The density and atomic weight for Au are 18.63 g/cm3 at 950oC and 196.9 g/mol, respectively.
nv
1.1ev / atom
E
8%
7%
6%
5%
4%
3%
2%
1%
0%
$0
$100
$200
$300
$400
$500
$600
$700
$800
Question 9
Consider the hypothetical loanable funds market shown in the graph above. What will happen in
this market if market participants revise their forecasts of future inflation up
Question 27
The graph above shows four aggregate demand (AD) functions. Currently Y = YP =
10,000 and P = 100. What will be the new short-run P and Y in the rational-expectations
model if the Fed unexpectedly increases the money supply by 4%?
A.
B.
C.
D.
D. The aggregate demand function would shift to AD2, the economy would immediately
move to a point like E2, and the price level would increase by 5%.
E. None of the above.
Question 20
Consider the above graph and assume that the economy is initially at po
Problem 9 (20 points)
Shown below is a part of the nickel(Ni)-niobium(Nb) phase diagram.
L+
L+Ni3Nb
L+Ni3Nb
L+Ni6Nb7
+Ni3Nb
Ni3Nb+Ni6Nb7
L+
Ni6Nb7 +
a) What is the melting point of Nb?
From phase diagram, 2469oC
b) On the phase diagram, label all of the
9
8
7
Real Wage
6
5
4
3
2
1
0
50
60
70
80
90
100
110
Labor
Question 14
The graph above shows the labor market in a country. The horizontal axis measures the number
of workers. The natural rate of unemployment is 5%. Suppose that the real wage equals 7. Ho
a
R
a2
a
a
a3
a
a2
a
a
a
The body diagonal is a3 long, which is also equal to 4R, where R is the radius of the atom. Therefore,
R= a3/4. We know a=0.5321nm. From there, R=(0.5321nm) 3/4 = 0.2304 nm
d.) APF for potassium is the same as for any BCC crystal:
Problem 6 (15 points)
A steel alloy has a stress-strain behavior as indicated in the figure below.
a.)
b.)
c.)
d.)
Is this a plot of true or engineering stress/strain? Explain your answer.
What is the yield stress of this material?
Determine the modulus o
CONSTANTS:
Avogadros Number: NA = 6.022 x 1023
Boltzmann Constant: k = 1.38 x 10-23 J/K = 8.617 x 10-5 eV/K
Universal Gas Constant: R = 8.314 J/mol K
Temperature Conversion: T [K] T[oC] + 273
Problem 1 (10 points)
The total potential energy between two pa
PROBLEM
INSTRUCTIONS: The following problems relate to the counterexample method.
1. PART A
All real libraries are buildings containing books, so some presidential libraries are not real libraries,
since some buildings containing books are not presidentia