To plot the given function and cosine curve, the following MATLAB commands/functions can be used:
First, we define the frequency (f), time range (t), and angular frequency (w):
f = 15;
t = 0:1e-6:0.1;
w = 2*pi*f;
Then, we define the trigonometric functions:
xt = 10*cos(w*t);
yt = 2.5*cos(w*t-pi/4);
We can then plot the two curves on the same graph using the following command:
plot(t,xt,t,yt)
We can set the range of the x-axis (t-axis) and y-axis (x_t-axis) using the following commands:
xlim([0 0.1]);
ylim([-12 12]);
We can label the horizontal t-axis as "seconds" using the following command:
xlabel('Time (seconds)')
We can title the final plot as "Voltage vs. Current" using the following command:
title('Voltage vs. Current')
The final MATLAB code will be:
f = 15;
t = 0:1e-6:0.1;
w = 2*pi*f;
xt = 10*cos(w*t);
yt = 2.5*cos(w*t-pi/4);
plot(t,xt,t,yt)
xlim([0 0.1]);
ylim([-12 12]);
xlabel('Time (seconds)')
title('Voltage vs. Current')
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Explain two ways that anthropometric data could be useful when designing a tennis racket.
Answer:
I hope it helps :)
Explanation:
It is useful to measure Height and Arm Span in tennis players. Body fat can be measured using the skinfold method. If this is not available, monitoring body weight changes would give an indication of body fat changes, assuming no
A continuous fiber-reinforced composite is to be produced by dispersing 60 vol% carbon fibers in a polycarbonate matrix. if the stress in the polycarbonate matrix when the carbon fibers fail is 45 mpa, the longitudinal elastic modulus of the composite using rule of mixture is
Answer:
Explanation:
A continuous fiber-reinforced composite is to be produced by dispersing 60 vol% carbon fibers in a polycarbonate matrix. if the stress in the polycarbonate matrix when the carbon fibers fail is 45 mpa, the longitudinal elastic modulus of the composite using rule of mixture
Grime can reduce headlight effectiveness by as much as: _________
Grime can reduce headlight effectiveness by as much as 50%.
What is Grime?
Grime is a term used to describe a layer of dirt, dust, and other contaminants that build up on surfaces over time. It can be a combination of various substances such as oil, grease, and dirt that settle on surfaces due to exposure to the environment.
Grime is often found on exterior surfaces of buildings and vehicles, and can accumulate on windows, sidewalks, and other surfaces that are exposed to the elements. It can also build up on interior surfaces, such as kitchen counters and bathroom fixtures. Cleaning grime can help to maintain the appearance and integrity of the affected surfaces, as well as improve hygiene and prevent the growth of bacteria and other pathogens.
Grime can reduce headlight effectiveness by as much as 50%. Dirt, dust, and grime can build up on the surface of the headlight lens over time, reducing the amount of light that can pass through.
The buildup can cause the light to scatter and diffuse, reducing its intensity and effectiveness. This can make it difficult for drivers to see the road ahead and can also reduce the visibility of the vehicle to other drivers, making it a safety hazard.
It's important to clean the headlight lenses regularly to maintain maximum visibility and safety.
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Off the southern coast of Andorra in the Mediterranean Sea lies the island of Duosomata (pronounced DOO-oh-so-MAH-ta). It is populated exclusively by short people and tall people. No people of average height live on the island. We can use the following predicates to say things about the people of Duosomata.
person(x)
≡
x is a person.
short(x)
≡
Person x is short.
tall(x)
≡
Person x is tall.
taller(x, y)
≡
Person x is taller than person y.
Answer the following questions by writing expressions in predicate calculus that use these predicates. Assume that quantified variables range over all possible objects, not just people, and not just people from Duosomata.
1a. (5 points.) Write an expression that means ‘‘If there are any two people, and the first person is taller than the second person, then the first person is tall, and the second person is short.’’
1b. (5 points.) Write an expression that means ‘‘At least one tall person is taller than any short person.’’
1c. (10 points.) Suppose that this is true:
¬ ∃s ∃t [person(s) ∧ person(t) ∧ short(s) ∧ tall(t) ∧ taller(s, t)]
Then prove that this is true:
∀s ∀t [(person(s) ∧ person(t) ∧ short(s) ∧ tall(t)) → ¬ taller(s, t)]
Your proof must be written as a series of steps. Each step must be an expression in predicate calculus. You must give a reason for each step.
1a. (∀x)(∀y)((person(x) ∧ person(y) ∧ taller(x, y)) → (tall(x) ∧ short(y)))
1b. (∃x)(tall(x) ∧ (∀y)(short(y) → taller(x, y)))
How can we show the proof?1c.
Proof:
Step 1:
Assume (person(s) ∧ person(t) ∧ short(s) ∧ tall(t))
Step 2:
From Step 1, we know that (person(s) ∧ person(t) ∧ short(s) ∧ tall(t)) is true.
Step 3:
Assume ¬ taller(s, t) is false, i.e. taller(s, t) is true.
Step 4:
From Step 3, taller(s, t) is true, which contradicts the assumption in (1c) that ¬ ∃s ∃t [person(s) ∧ person(t) ∧ short(s) ∧ tall(t) ∧ taller(s, t)].
Step 5:
From Step 4, it follows that ¬ taller(s, t) must be true, i.e. (person(s) ∧ person(t) ∧ short(s) ∧ tall(t)) → ¬ taller(s, t) is true.
Step 6:
Since Step 5 holds for any s and t that satisfy (person(s) ∧ person(t) ∧ short(s) ∧ tall(t)), it follows that
(∀s)(∀t)((person(s) ∧ person(t) ∧ short(s) ∧ tall(t)) → ¬ taller(s, t)) is true.
Hence, the proof is complete.
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The following is a series of questions pertaining to the NSPE Code of Ethics. Please indicate whether the statement are true or false. These questions are provided by the NSPE.
Engineers in public service as members, advisors or employees of a governmental or quasi-governmental body or department may participate in decisions with respect to services solicited or provided by them or their organizations in private or public engineering practice as long as such decisions do not involve technical engineering matters for which they do not posses professional competence
Geomorphic
Explanation:
Because it's pretty easy if you think of the right ways of geomorphic ways to process the equation
True or false : In improper integrals infinte intervals mean that both of the integration limits are should be infinity
Answer:
An improper integral is a definite integral that has either or both limits infinite or an integrand that approaches infinity at one or more points in the range of integration
Explanation:
Sound cards have a __________ to help analog devices connect and communicate with the computer
Sound cards have a audio interface to help analogy devices connect and communicate with the computer.
What is analogy devices?Analogy devices are figures of speech that compare two unrelated things in order to make a point. They are used to explain a concept or idea by using a comparison that is easier to understand. Analogy devices are used to help people better understand the concept being discussed and can be used in speeches, essays, literature, and other forms of communication. An example of an analogy device is the phrase “time is money” which compares two different objects in order to explain that time is valuable and should be used wisely. Analogy devices are helpful in making complex ideas easier to comprehend.
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A rope is wrapped three and a half times around a cylinder. Determine the range of force T exerted on
the free end of the rope for maintaining equilibrium that is required to just support a 5 kN weight. The
coefficient of friction between the rope and the cylinder is 0.2
The range of force exerted at the end of the rope is; 285.7 N to 1,000 N.
What is the Net horizontal force?The net horizontal force of the cylinder when it is at equilibrium position can be found by applying Newton's second law of motion. Thus;
∑F = 0
F - μF_n = 0
We are given;
F_n = 5 kN = 5000 N
μ = 0.2
Thus;
F - 0.2(5,000) = 0
F - 1,000 = 0
F = 1,000 N
The strength of the applied force will be increasing as the number of turns of the rope increases. Thus;
Minimum force = Total force/number of turns of rope
Since rope is wrapped three and half times, then;
number of turns = 3.5
Thus;
minimum force = 1,000/3.5
minimum force = 285.7 N
Thus, the range of force exerted at the end of the rope is 285.7 N to 1,000 N.
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Find E[x] when x is sum of two fair dice?
Answer:
When two fair dice are rolled, 6×6=36 observations are obtained.
P(X=2)=P(1,1)=
36
1
P(X=3)=P(1,2)+P(2,1)=
36
2
=
18
1
P(X=4)=P(1,3)+P(2,2)+P(3,1)=
36
3
=
12
1
P(X=5)=P(1,4)+P(2,3)+P(3,2)+P(4,1)=
36
4
=
9
1
P(X=6)=P(1,5)+P(2,4)+P(3,3)+P(4,2)+P(5,1)=
36
5
P(X=7)=P(1,6)+P(2,5)+P(3,4)+P(4,3)+P(5,2)+P(6,1)=
36
6
=
6
1
P(X=8)=P(2,6)+P(3,5)+P(4,4)+P(5,3)+P(6,2)=
36
5
P(X=9)=P(3,6)+P(4,5)+P(5,4)+P(6,3)=
36
4
=
9
1
P(X=10)=P(4,6)+P(5,5)+P(6,4)=
36
3
=
12
1
P(X=11)=P(5,6)+P(6,5)=
36
2
=
18
1
P(X=12)=P(6,6)=
36
1
Therefore, the required probability distribution is as follows.
Then, E(X)=∑X
i
⋅P(X
i
)
=2×
36
1
+3×
18
1
+4×
12
1
+5×
9
1
+6×
36
5
+7×
6
1
+8×
36
5
+9×
9
1
+10×
12
1
+11×
18
1
+12×
36
1
=
18
1
+
6
1
+
3
1
+
9
5
+
6
5
+
6
7
+
9
10
+1+
6
5
+
18
11
+
3
1
=7
E(X
2
)=∑X
i
2
⋅P(X
i
)
=4×
36
1
+9×
18
1
+16×
12
1
+25×
9
1
+36×
36
5
+49×
6
1
+64×
36
5
+81×
9
1
+100×
12
1
+121×
18
1
+144×
36
1
=
9
1
+
2
1
+
3
4
+
9
25
+5+
6
49
+
9
80
+9+
3
25
+
18
121
+4
=
18
987
=
6
329
=54.833
Then, Var(X)=E(X
2
)−[E(X)]
2
=54.833−(7)
2
=54.833−49
=5.833
∴ Standard deviation =
Var(X)
=
5.833
=2.415
rim programs need a legally defensible retention schedule to reduce risk and legal liability. true or false?
The given statement "rim programs need a legally defensible retention schedule to reduce risk and legal liability" is true because a retention schedule provides a structured framework for managing records throughout their lifecycle.
Is a legally defensible retention schedule crucial for reducing risk and legal liability in RIM programs?A retention schedule outlines the specific time periods for retaining and disposing of records and information within an organization. It helps establish a systematic approach to managing records throughout their lifecycle. By implementing a legally defensible retention schedule, organizations can ensure compliance with applicable laws, regulations, and industry standards.
Such a schedule helps minimize the risk of retaining records longer than necessary or disposing of them prematurely, both of which can lead to legal complications. Having a clearly defined and legally compliant retention schedule enables organizations to demonstrate due diligence in recordkeeping practices, reducing the potential for legal liability.
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describe an engineering advance that has led to greater knowledge about the solar system
Answer:
Space Rovers
Explanation:
The engineering advancement of the invention space rovers has changed space exploration tremendously. The first space rover ever to go out onto another planet was made by NASA and put on mars to learn more about the red planet and see if there where any plausible signs of past or maybe even present life. This mission was incredibly successful and for the first time in space exploration history, there was a spacecraft that you could move around that could with do the conditions of the planet for weeks, months, sometimes years at a time, moving around taking pictures and constantly collecting data. This was revolutionary for scientists, this way they could get copious amounts of information just on rover and not having to send multiple crafts only to die in the first few hours but sending back a relative amount of information. With rovers you can have them collect samples and bring the back to earth, not something that could’ve been done without a human, until rovers. They have completely changed and improved collecting data from other planets and have been one of the most revolutionary inventions when it comes to space exploration.
This is what I put for the answer, hope it helps in some way.
Estimate (a) the maximum, and (b) the minimum thermal conductivity values (in W/m-K) for a cermet that contains 76 vol% carbide particles in a metal matrix. Assume thermal conductivities of 30 and 67 W/m-K for the carbide and metal, respectively.
Answer:
The answer is below
Explanation:
Given that:
Volume of carbide (\(V_{C}\)) = 76% = 0.76, Volume of Nickel (\(V_{M}\)) = 100% - 76% = 24% = 0.24, thermal conductivities of carbide (\(E_{C}\)) = 30 W/m-K and thermal conductivities of meta. (\(E_M\)) = 67 W/m-K
a) The maximum thermal conductivity is given by:
Max = \(E_CV_c+E_mV_m=(0.76*30) + (0.24*67) = 38.88\ W/mK\)
b) The minimum thermal conductivity is given by:
Min = \(\frac{E_ME_C}{E_MV_C+E_CV_M}=\frac{30*67}{(0.76*67)+(0.24*30)}=34.58\ W/mK\)
1. Katherine Johnson worked at NASA in the 1950s as a mathematician with the job title of computer. She provided calculations for engineers on the Mercury and Apollo space missions. Her work: take a problem, such as finding the trajectory for a space capsule's flight path, do the math in steps and record each one, find the solution, and pass the calculations to the engineers to evaluate and use. How does Ms. Johnson's work compare to computing today?
A. It likely was more accurate due to risks of malware.
B. It is close to today’s systems but lacked the input step.
C. It likely was less accurate than computer results.
D. It followed the same process as today’s computing.
Also, I answered C the first time and didn't get it right so it's definitely not that.
develop a note on important alloys
Alloys are mixtures of two or more metals, or a metal and a non-metal, that are created to enhance the properties of the individual metals. Alloys are used in a wide range of applications, from construction to electronics to transportation, and are essential to modern technology and industry.
Some important alloys include:
Steel: Steel is an alloy of iron and carbon, with small amounts of other elements such as manganese, silicon, and sulfur. Steel is strong, durable, and versatile, and is used in a wide range of applications, from construction to manufacturing to transportation.
Brass: Brass is an alloy of copper and zinc, with small amounts of other elements such as lead or tin. Brass is valued for its corrosion resistance, low friction, and attractive appearance, and is used in applications such as plumbing fixtures, musical instruments, and decorative items.
Bronze: Bronze is an alloy of copper and tin, with small amounts of other metals such as aluminum, silicon, or phosphorus. Bronze is strong, durable, and corrosion-resistant, and is used in applications such as sculptures, coins, and bearings.
Stainless steel: Stainless steel is an alloy of iron, chromium, and nickel, with small amounts of other metals such as molybdenum or titanium. Stainless steel is highly resistant to corrosion, heat, and wear, and is used in applications such as cutlery, medical equipment, and aerospace components.
Aluminum alloys: Aluminum alloys aremixtures of aluminum with other metals such as copper, zinc, or magnesium. Aluminum alloys are lightweight, strong, and corrosion-resistant, and are used in a wide range of applications, from aircraft and automobiles to construction and consumer goods.
Titanium alloys: Titanium alloys are mixtures of titanium with other metals such as aluminum, vanadium, or nickel. Titanium alloys are strong, lightweight, and corrosion-resistant, and are used in applications such as aerospace, medical implants, and sports equipment.
Nickel-based alloys: Nickel-based alloys are mixtures of nickel with other metals such as chromium, iron, or cobalt. Nickel-based alloys are heat-resistant, corrosion-resistant, and have high strength and toughness, and are used in applications such as jet engines, chemical processing, and power generation.
Copper-nickel alloys: Copper-nickel alloys are mixtures of copper with nickel and sometimes other metals such as iron or manganese. Copper-nickel alloys are highly resistant to corrosion and have good thermal and electrical conductivity, making them ideal for applications such as marine engineering, heat exchangers, and electrical wiring.
In conclusion, alloys are important materials that are used extensively in modern technology and industry. By combining the properties of different metals, alloys can be tailored to meet specific needs and applications, and have revolutionized the way we design and make things.
All of the following are true of spreadsheets EXCEPT O A cell content that is displayed is the result of a formula entered in that cell. O Line graphs, bar graphs, stacked bar graphs, and pie charts are typical graphs created from spreadsheets. O A cell reference is made by a numbered column and lettered row reference, O A cell may contain label, value, formula, or function.
The statement about spreadsheets that incorrect is a cell reference is made by a numbered column and lettered row reference.
What is cell reference?Cell reference or cell address is a address to specific cell in spreadsheets. Cell reference is made by combining two axis reference which is called column and row.
Column reference in spreadsheets are by letter such as A, B, C, etc. Then, row reference in spreadsheets are by number such as 1, 2, 3, etc.
Thus, the cell reference is made by lettered column and numbered row. So, the option of a cell reference is made by a numbered column and lettered row reference is false or incorrect.
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Panel K is 120/208V, 3Ø, 4-W. The Control Panel requires 230 volts. Where the proper connections are made and the input voltage is exactly 208 volts and a 120/240V-12/24V Group I transformer is used, the calculated voltage that would be applied to the Control Panel is ___ volts.
The calculated voltage that would be applied to the Control Panel is 20.8 volts.
What is the explanation for the above response?
Since the panel K is 120/208V, 3Ø, 4-W, we know that it has a high leg or wild leg that supplies 208 volts to phase-to-neutral loads and 240 volts to phase-to-phase loads.
To obtain 230 volts, which is required for the control panel, we need to step down the voltage using a transformer.
A 120/240V-12/24V Group I transformer can be used to step down the voltage from 208V to 24V. Since this is a step-down transformer, the voltage across the primary winding will be greater than the voltage across the secondary winding.
The transformer turns ratio is calculated as follows:
Turns ratio = primary voltage / secondary voltage
For the given transformer, the turns ratio is:
Turns ratio = 240V / 24V = 10
Since the input voltage is exactly 208 volts, the voltage across the primary winding of the transformer will also be 208 volts. Therefore, the voltage across the secondary winding can be calculated as follows:
Secondary voltage = Primary voltage / Turns ratio
Secondary voltage = 208V / 10 = 20.8V
Thus, the calculated voltage that would be applied to the Control Panel is 20.8 volts.
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In a body-and-tube heat exchanger with two shell passes and 12 tube passes, water, ethylene glycol
used for cooling. The specific heat of water is 4180 J/kg.K, the specific heat of ethylene glycol
temperature is 2680 J/kgK. Water enters the pipes at 22 ℃ with a flow rate of 2.1 kg/s and at 65 ℃
comes out. Ethylene glycol enters at 150 ℃ with a flow rate of 7 kg/s. heat transfer
Take the coefficient as U= 200 W/m2℃. The heat exchanger is cross flow. Logarithmic
using the mean temperature difference method and taking into account the correction factor
Calculate the heat transfer area.
Answer:
Explanation:
To calculate the heat transfer area of the heat exchanger using the logarithmic mean temperature difference (LMTD) method, we can follow these steps:
1. Calculate the temperature difference for both the hot and cold fluids:
- For the water (cold fluid): ΔTc = (65 ℃ - 22 ℃) = 43 ℃
- For the ethylene glycol (hot fluid): ΔTh = (150 ℃ - 65 ℃) = 85 ℃
2. Calculate the mean temperature difference (ΔTm) using the logarithmic mean temperature difference formula:
ΔTm = (ΔT1 - ΔT2) / ln(ΔT1 / ΔT2)
ΔT1 = ΔTh = 85 ℃
ΔT2 = ΔTc = 43 ℃
ΔTm = (85 - 43) / ln(85 / 43) = 60.63 ℃
3. Calculate the correction factor (F):
F = (ΔT1 - ΔT2) / (ΔT1 - ΔTm)
F = (85 - 43) / (85 - 60.63) = 0.82
4. Calculate the heat transfer rate (Q) using the formula:
Q = F * m * Cp * ΔTm
For water (cold fluid):
Qc = 0.82 * 2.1 kg/s * 4180 J/kg.K * 60.63 ℃
For ethylene glycol (hot fluid):
Qh = 0.82 * 7 kg/s * 2680 J/kg.K * 60.63 ℃
5. Calculate the overall heat transfer coefficient (U) based on the given value:
U = 200 W/m^2℃
6. Calculate the heat transfer area (A) using the formula:
Q = U * A * ΔTm
A = Q / (U * ΔTm)
Substituting the values from step 4 and step 5 into the equation, we can find the heat transfer area.
Please provide the values for Qc and Qh calculated in step 4, as well as the value for U, so that I can provide you with the final result for the heat transfer area.
1. There are two categories (shapes) for the Virginia driver's license. The ________________________ shape license represents the driver who is under the age of 21, and the _____________________________ shaped license represents the driver who is over the age of 21.
Answer:
Vertical; horizontal.
Explanation:
The Virginia Department of Motor Vehicles started issuing sets of newly designed driver's licenses to drivers in 2009. Although, the cards that were issued to drivers prior to the introduction of the new cards remained valid until they were expired.
There are two categories (shapes) for the Virginia driver's license. The vertical shape license represents the driver who is under the age of 21, and the horizontal shaped license represents the driver who is over the age of 21.
Additionally, the Virginia's driver license (vertical in shape) issued to drivers who are under the age of 21 has a background image of a dogwood flower while the horizontal shaped license issued to drivers who are over the age of 21 has a background image of the state capitol.
A certain boat in the Florida mangroves is traveling at a speed of 50 km/h,
driven by a 2 m diameter motor propeller, which requires an input of 20
kW of power. Assume still air, density 1.2 kg/m3
. Calculate:
(a) The push force (thrust) that the engine provides to the boat
(b) The efficiency of the propeller
The push force (thrust) that the engine provides to the boat is 2592 N.
The efficiency of the propeller is 36%.
How to determine thrust and efficiency?(a) The push force (thrust) that the engine provides to the boat can be calculated using the formula:
Thrust = Power / Velocity
where Power = input power of the propeller, and Velocity = velocity of the boat.
Substituting the given values:
Thrust = 20,000 / (50/3.6) = 2592 N
Therefore, the engine provides a push force (thrust) of 2592 N to the boat.
(b) The efficiency of the propeller can be calculated using the formula:
Efficiency = Thrust × Velocity / Power
Substituting the given values:
Efficiency = (2592 × (50/3.6)) / 20,000 = 0.36 or 36%
Therefore, the efficiency of the propeller is 36%.
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Determine the entropy change of helium during this process assuming the process is irreversible. The gas constant of helium is R=0.4961 Btu/lbm-R. The constant volume specific heat of helium at room temperature is cv = 0.753 Btu/lbm-R.The entropy change of helium during this process is______ Btu/R.
The entropy change of helium during an irreversible process can be calculated using the formula ΔS = cv × ln(T2/T1).
How can you calculate the entropy change of helium during an irreversible process?
The entropy change of helium during the process assuming the process is irreversible is
0.214 Btu/R
Here is how to solve it: Entropy (S) can be defined as the measure of disorder or randomness of a system. The entropy change of helium during the process assuming the process is irreversible can be calculated as follows:
ΔS = cv × ln(T2/T1)
where've is the constant volume specific heat of helium at
room temperature = 0.753 Btu/lbm-Rln
is the natural logarithmT2 is the final temperature of the heliumT1 is the initial temperature of the helium.R is the
gas constant of helium = 0.4961 Btu/lbm-R
T1 is not given, so let us assume that it is the
room temperature of 298 K
The temperature at the end of the process is not given, so we will solve the equation using a variable for
T2.ΔS = cv × ln(T2/T1)ΔS
= 0.753 × ln(T2/298)ΔS
= 0.753 × (ln T2 - ln 298)ΔS
= 0.753 ln T2 - 0.753 ln 298
Rearranging the equation,
ΔS = 0.753 ln T2 - 0.214
Therefore, the entropy change of helium during the process assuming the process is irreversible is 0.214 Btu/R.
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Which of the following conditions would completely shut down a circuit
A(n) ______________________________i a mall work area where a vehicle can be parked for repair
A shop stall is a mall work area where a vehicle can be parked for repairs.
Workarea is a top option for creative B2B sellers thanks to its industry-leading enterprise capabilities and support for customisation. The Workarea Ecommerce Platform's B2B Commerce capability is made to enable sophisticated purchasing use cases unique to business clients.
The best B2B and B2C platform for commerce innovators is what we set out to build. Period.
Workarea Commerce Cloud was created from the ground up to provide unequaled merchant experiences so you can give your consumers the best possible purchasing experiences. Compared to Magento Open Source, Workarea's open source platform has greater features. The most comprehensive enterprise platform in the market is Workarea Commerce Cloud, which is a cloud commerce solution for merchants.
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The component has an exponentially distributed reliability with a mean of 2000 hours what is the probability that it will fail after 3000 hours?
Answer:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
What does efficiency measure?
Answer:
Efficiency is defined as any performance that uses the fewest number of inputs to produce the greatest number of outputs. Simply put, you're efficient if you get more out of less.
Explanation:
For flow of a liquid metal through a circular tube, the velocity and
temperature profiles are u(r)=2Um[1-(r/ro)2] and T(r) - Ts
= C2 [1 – (r/r0)2],respectively, where C2 is constant. What is the value of the Nusselt
number NuD at this location?
Answer:
Known: Form of the velocity and temperature profiles at a particular axial location for flow in a circular tube. Find: Nusselt number at the prescribed.
Explanation:
Assume, X Company Limited (XCL) is one of the leading 4th generation Life Insurance
Companies in Bangladesh. The Company is fully customer focused. This Life insurance company are
experimenting with analysis of consumer profiles (to determine whether a person eats healthy food,
exercises, smokes or drinks too much, has high-risk hobbies, and so on) to estimate life expectancy.
Companies might use the analysis to find populations to market policies to. From the perspective of
privacy, what are some of the key ethical or social issues raised? Evaluate some of them.
Answer:
The issues related to the privacy are:
1. Informational privacy
2. Discrimination factors
3. Biased grouping on the basis of Data mining
4. Lack of consent
5. Morally wrong
6. Illegal distribution of information risks
7. Possibility of threat to life
Let's look at some major concerns:
1. Informational privacy : The concept of privacy of the personal information is totally nullified when the information is being used for a purpose other than the intended one for which it was given. This unethical use of information even for general purposes is not correct and is a matter of concern. It is more like using the sensitive data of others for personal benefit which is purely objectionable and raises security issues. Sometimes the data is also shared with the potential employers which might have certain impacts we are unaware of.
2. Data mining issues : The process of using a certain information to arrive and understand the trend and outcomes is called data mining. In this case, the consumer's data undergoes grouping and might get placed in the wrong group rather than the actual one. Also, there can be a case of biasing towards the groups which are not be focused on, or are not a part of the intended audience. This leads to the discrimination factors if we see it from a social point of view.
3. Lack of consent : Use of information without the consent or awareness of the consumers raises concern over the business ethics followed by the company. No one deserves the right to misuse information for his personal benefits without any of its information to the consumer. It is morally wrong and againt the work ethics. Moreover, it raises trust issues between the two involved, and hence is socially unacceptable.Explanation:
What are three ways to own your own business
Answer:
home,public,or private
Explanation:
A _________ conversion involves running the old and new systems simultaneously for a time, which is is rarely used, since it impractical for customer-facing e-commerce systems.
Compare and contrast direct conversion and parallel conversion.
what is the exact process involved?
Both conversion tactics center on how users are transitioned to the new system. The old system is "unplugged" and the new system is turned on in a direct conversion. The new system must be used by the users; they have no other option. The old system is temporarily used while the new system is activated in the parallel conversion plan. The direct approach is obviously more dangerous because there is no backup in the event that severe system problems are found.
If a significant flaw in the new system is found, the parallel conversion will keep the old system operational. However, the expense and additional work of utilizing both systems at once must be taken into account.
Hence to conclude Compare and contrast direct conversion and parallel conversion involves running the old and new systems
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Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop. True or False?
Answer:
Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop.
True
Explanation:
It has been established that most technicians, instead of overhauling the defective power steering pumps, prefer to install rebuilt or revamped pumps or even new pumps when they could have overhauled the unit themselves. Some are afraid that leakage could occur again. They are not confident enough to do the overhauling in-house or some claim that they do not have the time and other tools to carry out the overhauling. Acknowledgedly, overhauling a power steering pump is not a job for the novice. They require experienced and skilled hands to do the hard work.
What is a solution based process and why is it important to engineering
Answer:
What is a solution-based process and why it is important in engineering? The solution-based process are steps that engineers follow when they are trying to solve a problem / create a solution for something. It is important because it makes it easier to identify mistakes to solve problems.
Explanation: