NE571 - Spring 2010 - Exam #1
Friday, March 12, 2010
50 Minutes
1. A coal plant is being constructed to generate electricity with plans to co-fire the boiler with biomass.
It has a capacity of 500 MWe and costs $750 million to build and will cost $5 milli

NE571 - Spring 2010 - Exam #1
Friday, March 12, 2010
50 Minutes
1. A coal plant is being constructed to generate electricity with plans to co-fire the boiler with
biomass. It has a capacity of 500 MWe and costs $750 million to build and will cost $5
milli

Problem #1
P F 1 i
P
n
i
F
n
$15, 000 1.05
$9,208.70
10
5%
$15,000.00
10
$9, 208.70
Problem #2
n
F P 1 i
P
n
i
F
$2, 000 1.04
$2,000
7
4%
$2,631.86
7
$2, 621.86
Problem #3
n
Option A) F P 1 i $15, 000 1.03
Option B) F A
P
n
i
A
F
1 i
i
n
1
$1, 200

Problem #1
P F 1 i
F
i
n
P
n
$50, 000 1.05
$(50,000.00)
5%
6
$(37,310.77)
6
$37, 311
Problem #2
A
i
$750.00
10%
Part (a)
n
P
4 12
0.10
1
1
1 i 1 $750
12
P A
$29, 571
n
4 12
i 1 i
0.10
0.10
1
12
12
4y
$29,571.12
n
n
i 1 i
A
n
P
1 i 1
Part (b)

Reference Year
MARR
Tax Rate
Year 1 Expenses
Year 2 Expenses
Capital Cost
Double Declining Rate
DDR Period
Straightline Period
Initial Maintenance Costs
Later Maintenance Costs
Benefit
Borrowed Fraction
Loan Interest Rate
Loan Term
2011
6.000%
35%
450
300

x
n
P/A
A/P
0.08
40
$11.92
$0.083860
mod (c)
base case
8
10.77
8.223
26.993
24.6199
25.39286
8
11.774
8.223
27.997
mod (a)
6.1528
10.77
8.223
25.1458
mod (b)
mod (a) + mod (b) mod (a) + mod (b) + mod (c)
6.1528 5.6077287641
11.774 10.7309515129
8.223 7.49

NE571 2009 - Homework #4 Solutions
Problem #1
e
eF
A P , x, N A P , x, N N d P F , x, n
Io
C
O
p
n
8.766 KL 8.766 KL 8.766 KL
1
1
n 1
C
mills
8
8.766 KL
kWhe
O $40, 000, 000 $4 107
eO
K 565MWe 5.65 105 kWe
L 0.75
O
$4 10
mills
10.77
5
8.766 KL

Known
past product
past time
100 kg
2 years
enrichment
V(x)
F/P (nat) S/P (nat) F/P (research) S/P (research)
20% 0.8317766 48.04878 38.348682
4% 2.9238095 9.0243902 5.2827803
93% 2.2245528 226.09756 200.14954 4.7055837563 19.6965999483
Problem (a)
past f