Question
In: Accounting
You are choosing a pump to go into a fire protection system in a high rise...
You are choosing a pump to go into a fire protection system in a high rise office building. You have narrowed your selection to three brands. The relevant information is presented in the table below. Assuming an interest rate of 5%, what is the most attractive choice??
|
Alternative A |
Alternative B |
Alternative C |
|
|
Type |
Add – Sum – Pressure |
HP Pumps |
Test – Me – Often |
|
Life |
20 years |
15 years |
10 years |
|
Initial Cost |
$350,000 |
$300,000 |
$200,000 |
|
Maintenance |
$2,000 |
$2,500 |
$5,000 |
Solutions
ekkarill92 answered 1 year agoRelated Solutions
1. One pump is not enough to pump water to a very high tank. If you...
1. One pump is not
enough to pump water to a very high tank. If you use two pumps (to
increase h), how are you going to install them?
(a) in parallel
(b) in series
2. For turbulent flow
of all pipes, friction factor (f) depends on:
(a) Reynolds number (Re)
only
(b) relative roughness (e/D)
only
(c) both Re and
e/D
4. For a pumping
system, which tends to cause cavitation?
(a) placing the pump close to the
source...
Is there a relation between police protection and fire protection? A random sample of large population...
Is there a relation between police protection and fire
protection? A random sample of large population areas gave the
following information about the number of local police and the
number of local fire-fighters (units in thousands). (Reference:
Statistical Abstract of the United States.)
Area
1
2
3
4
5
6
7
8
9
10
11
12
13
Police
9.5
13.8
9.0
3.1
5.4
4.8
13.0
14.9
10.2
4.9
3.9
4.7
13.5
Firefighters
2.0
4.0
1.7
1.2
2.2
1.3
3.3
5.2...
#32 Is there a relation between police protection and fire protection? A random sample of large...
#32
Is there a relation between police protection and fire
protection? A random sample of large population areas gave the
following information about the number of local police and the
number of local fire-fighters (units in thousands). (Reference:
Statistical Abstract of the United States.)
Area
1
2
3
4
5
6
7
8
9
10
11
12
13
Police
10.8
13.3
17.0
16.3
7.6
3.2
5.3
15.4
2.7
4.7
4.1
6.1
5.6
Firefighters
3.1
2.5
4.8
2.9
3.3
1.2
2.4...
A fitness company is building a 20-story high-rise. Architects building the high-rise know that women working...
A fitness company is building a 20-story high-rise. Architects
building the high-rise know that women working for the company have
weights that are normally distributed with a mean of 143 lb and a
standard deviation of 29 lb, and men working for the company have
weights that are normally distributed with a mean of 181 lb and a
standard deviation or 32 lb. You need to design an elevator that
will safely carry 12 people. Assuming a worst case scenario...
A fitness company is building a 20-story high-rise. Architects building the high-rise know that women working...
A fitness company is building a 20-story high-rise. Architects
building the high-rise know that women working for the company have
weights that are normally distributed with a mean of 143 lb and a
standard deviation of 29 lb, and men working for the company have
weights that are normally distributed with a mean of 165 lb and a
standard deviation or 32 lb. You need to design an elevator that
will safely carry 15 people. Assuming a worst case scenario...
A manufacturer of sprinkler systems used for fire protection in office buildings claims that the true...
A manufacturer of sprinkler systems used for fire protection in
office buildings claims that the true average system-activation
temperature is 130oF. A sample of n = 9 systems, when tested,
yields a sample average activation temperature of 131.08oF. Suppose
the distribution of activation temperature is normal with standard
deviation 3.0 oF. Denote the true average system-activation
temperature by µ ( oF). Consider testing H0 : µ = 130 versus Ha : µ
6= 130 at the significance level α =...
1. A) A manufacturer of sprinkler systems designed for fire protection claims that the average activating...
1.
A) A manufacturer of sprinkler systems designed for fire
protection claims that the average activating temperature is at
least 135 degrees F. To test this claim, you randomly select a
sample of 32 systems and find the mean activation temperature to be
133 degrees F. Assume the population standard deviation is 3.3
degrees F. At a=0.10, do you have enough evidence to reject the
null hypothesis? 10
points. Ho: u>= 135 Ha:
u<135.
B) In auto racing, a pit stop...
A manufacturer of sprinkler systems used for fire protection in office buildings claims that the true...
A manufacturer of sprinkler systems used for fire protection in
office buildings claims that the true average system activation
temperature is 130 ◦F. A sample of n = 49 systems, when tested,
yields a sample average activation temperature of 131.08 ◦F. If the
distribution of activation times is Normal with standard deviation
of 1.5◦F, does the data contradict the manufacturer’s claim at
significance level α = 0.01?
Which of the ten general principles of fire protection is absolutely most important and why?
Which of the ten general principles of fire protection is
absolutely most important and why?
Calculate the necessary pump horsepower across a system, along with the pressure developed in the pump...
Calculate the necessary pump horsepower across a system, along
with the pressure developed in the pump for a system containing a
liquid solution with a density of 1220 kg/m3 , moving at a
volumetric flow rate of 0.56 m3 /min. The liquid initially sits in
a large open storage tank and is transferred to the pump via a
schedule 80 stainless steel pipe with a nominal diameter of 4 in.
The discharge pipe (also schedule 80 stainless steel) from the...
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