You are given the following feasible LP problem:
max c^t x
subject to:
Ax <= b
x >= 0
Let x* be a vector in the feasible region and let y* be a vector in the feasible region of the dual LP. Then (check all true statements)
A) c^t x* <= b^t y*
B) Ay >= 0
C) The primal LP is bounded.
D) The dual LP maximizes the linear function by b^ty

91% of coal energy is thrown out of the plant heat exchanger.

1) The power generation efficiency of the IGCC plant can be calculated by multiplying the gas turbine power generation efficiency with the steam turbine power generation efficiency as they are in series. Therefore, the power generation efficiency of the IGCC plant will be 0.3 x 0.3 = 0.09 or 9%.2) The ratio of gas and steam power generation can be calculated by dividing the power generated by the gas turbine by the total power generated. This is given by:Gas power generation = 0.3 x Total power generationSteam power generation = 0.3 x Total power generationRatio of gas power generation to steam power generation = Gas power generation / Steam power generation= 0.3 x Total power generation / 0.3 x Total power generation= 1:13) The percentage of coal energy that is thrown out of the plant heat exchanger can be calculated using the following formula:Percentage of coal energy thrown out = 100 - (Power generation efficiency x 100)This is because the heat exchanger will reject the remaining energy of the fuel not used in power generation.Using the power generation efficiency of the IGCC plant from part 1),Percentage of coal energy thrown out = 100 - (0.09 x 100)Percentage of coal energy thrown out = 100 - 9Percentage of coal energy thrown out = 91%

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Answer:

An algotherum is a finite set of sequential instructions to accomplish a task where instructions are written in a simple English language

Answer:

D. Fire clay bricks

Explanation:

Just like in the steel mills with the big furnaces that's what causes all the smoke to come out of the stacks

Answer:

d is correct

Explanation:

Relationship between two variables.

The experimental research in psychology aims to analyze the relationships between the various variables. There are two variables such s independent and the dependent variable. The independent in the manipulated variable. Depended is measurable.

Thus the two variables are independent and dependent.

Thus the two variables can be recorded by the psychologist.

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The program for the array of integers is illustrated below.

Program :

n=int(input())

l=[]

for i in range(n):

  l.append(int(input("Enter a number into an integer array : ")))

s=int(input("Enter the number to be searched: "))

def search(l,s):

  l=sorted(l)

  if s in l:

      return "Yes"

  else:

      return "No"

print(search(l,s))

Inputs and outputs :

For test case 1 : (Number found)

Input : 5

Enter a number into an integer array : 61

Enter a number into an integer array : 72

Enter a number into an integer array : 89

Enter a number into an integer array : 42

Enter a number into an integer array : 54

Enter the number to be searched: 42

Ouput : Yes

For test case 2 : (Number not found)

Input : 3

Enter a number into an integer array : 99

Enter a number into an integer array : 84

Enter a number into an integer array : 3

Enter the number to be searched: 46

Ouput : No

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In ipsec's TRANSPORT mode, the data within an ip packet is encrypted, but the header information is not.

IPSec transport mode is known to be often used if a given tunneling protocol (like GRE) is used to try and encapsulate the IP data packet, and later on, IPSec act as a form of protection for the GRE tunnel packets.

Therefore, In ipsec's TRANSPORT mode, the data within an ip packet is encrypted, but the header information is not.

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The three types of irony are Verbal Irony, Situational Irony, and Dramatic Irony.

Example of Verbal Irony:

Example of Situational Irony:

Example of Dramatic Irony:

What is Irony?

When something unexpected occurs, it is ironic. The thing opposite to what we anticipate usually occurs, and this is either humorous or dramatic.

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Answer:

12 mins

Explanation:

The summation of the forces in vertical direction

= Fb - Fd - w = 0 ∴ Fd = Fb - w  ----- ( 1 )

Fb ( buoyant force ) = Pair * g * Vballoon ------- ( 2 )

Pair = air density , Vballoon = volume of balloon

Vballoon = \(\frac{\pi D^3}{6}\) ,  where D = 4  ∴  Vballoon = 33.51 ft^3

g = 32.2 ft/s^2

From property tables

Pair = 2.33 * 10^-3 slug/ft^3

μ ( dynamic viscosity ) = 3.8 * 10^-7 slug/ft.s

Insert values into equation 2

Fb = ( 2.33 * 10^-3 ) * ( 32.2 ) *( 33.51 )  = 2.514 Ib

∴ Fd = 2.514 - 2.5 = 0.014 Ib ( equation 1 )

Assuming that flow is Laminar  and  RE < 1

Re = (Pair * vd) / μair   -------- ( 3 )

where:  Pair = 2.33 * 10^-3 slug/ft^3 ,  vd = ( 987 * 4 ) ft^2/s ,   μair = 3.8 * 10^-7 slug/ft.s

Insert values into equation 3

Re = 2.4 * 10^7 (  this means that the assumption above is wrong )

Hence we will use drag force law

Assume Cd = 0.5

Express  Fd using the relation below

Fd = 1/2* Cd * Pair * AV^2

therefore V = 1.39 ft/s

Recalculate  Reynold's number using  v = 1.39 ft/s

Re = 34091

from the figure Cd ≈ 0.5 at Re = 34091  

Finally calculate the rise time ( time taken to reach an altitude of 1000 ft )

t = h/v

  = 1000 / 1.39 = 719 seconds ≈ 12 mins

Answer:

In the acid processes, deoxidation can take place in the furnaces, leaving a reasonable time for the inclusions to rise into the sla*g and so be removed before casting. Whereas in the basic furnaces, deoxidation is rarely carried out in the presence of the sla*g, otherwise phosphorus would return to the metal.

5. Shunt generator output voltage drops due to armature resistance and reactance.

6. Adjust voltage with field excitation or automatic voltage regulator (AVR).

5. The output voltage of a shunt generator   decreases as it is loaded due to the voltage drop across the armature resistance and reactance,causing a decrease in the terminal voltage.

6. The voltage of a shunt generator   can be adjusted by varying the field excitation or byemploying an automatic voltage regulator (AVR) to maintain a constant voltage.

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On an engine with a separate fuel injector for each cylinder, cylinder power balance tests may involve measuring and comparing the power output of each individual cylinder by temporarily disabling the fuel injector for that specific cylinder. This helps identify any discrepancies in performance or potential issues within the engine.

On an engine with a separate fuel injector for each cylinder, cylinder power balance tests may involve checking the fuel injector function and fuel flow to each cylinder. The power balance test is a diagnostic procedure used to determine if each cylinder is producing the same amount of power as the other cylinders. This test is important in detecting any problems with individual cylinders, such as a faulty fuel injector, which can cause the engine to run poorly or even fail. By checking the fuel injector function and fuel flow to each cylinder, the technician can determine if any adjustments or repairs are necessary to ensure proper engine performance.

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INSIDE JOIN

When using this join method, the records that have matching values in both tables are returned. All the tuples with matching values in both tables will be output if you perform an INNER join operation between the Employee table and the Projects table.

If the criteria is met, the INNER JOIN keyword selects all rows from both tables. This keyword will combine all rows from both tables where the criterion is met to create the result set.

SQL supports a total of four join types. types include left outer join, right outer, and inner join.

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The claims made by critics of the precautionary principle are:

1. What may be perceived as a threat at one point in time may at a later time prove to be no threat at all.2. The principle is too vague to be used as a regulatory standard.3. The precautionary principle is overly rigid and absolutist.

What is the precautionary principle?The precautionary principle is a widely accepted approach to environmental and public health policy development. It asserts that when an activity poses a danger of causing harm to the public or the environment, in the absence of scientific certainty, the burden of proof falls on those proposing the activity.What is the purpose of the precautionary principle?The precautionary principle aims to shift the burden of proof from those advocating a policy to those who oppose it, requiring opponents to demonstrate that a policy is not hazardous to public health or the environment.

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Answer:

Biochemistry

Explanation:

Hope this helps :)

Answer:

Biochemistry

Have an amazing day!

The velocity of the weights immediately before they hit the stack is 3.4672 ft/s

1 Lb = 0.453 kg

24 = 24 x 0.453

= 10.872kg

Therefore the m = 10.872

g = 9.87

m1 = 10.872/9.87

m1g = 1.112

T = 5 lb

= 5 x 0.453 = 2.265kg

m1g = T + 2T

1.112a = 10.872 - 3(2.265)

a = 3.66m/s²

initial velocity = 0

6x 2.54

= 15.24x10⁻²m

v² = 0+ 2as

v = √2as

v = √2x3.66x 15.24x10⁻²

= √1.1174

= 1.0571

a meter is equal to 3.28 ft

v*m = 1.0571 * 3.28

= 3.4672 ft/s

The velocity of the weights immediately before they hit the stack is  3.4672 ft/s.

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Answer: A lintel is a type of beam that spans openings such as portals, doors, windows and fireplaces. It can be a decorative architectural element, or a combined ornamented structural item

The signal-to-noise ratio (S/N) would be approximately 15.5 if ensemble averaging of 256 spectra is performed.

When taking a single scan of an NMR spectrum and calculating the signal-to-noise ratio (S/N) to be 1.2, it indicates that the signal amplitude is 1.2 times greater than the noise level. However, by performing ensemble averaging of 256 spectra, we can significantly improve the S/N ratio.

Ensemble averaging involves taking multiple spectra and adding them together, effectively increasing the signal while keeping the noise level relatively constant. When averaging a large number of spectra, the signal amplitudes accumulate, resulting in a higher overall signal. On the other hand, the random noise contributions tend to average out due to their statistical nature.

By averaging 256 spectra, the signal will be enhanced by a factor of 256, while the noise will only increase by a factor equal to the square root of 256, which is 16. Therefore, the resulting S/N ratio would be approximately 256/16, or 15.5.

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Information can be created by defining relationships between pieces of data. When we define relationships between different pieces of data, we can extract meaningful information from them.

Suppose we have a dataset that contains information about students, including their names, ages, and grades. Each piece of data on its own may not provide much information. However, when we define relationships between this data, we can extract valuable insights. For instance, by comparing the grades of different students, we can identify the highest and lowest performers in the class. By analyzing the relationship between age and grade, we can determine if older students tend to perform better academically.

Furthermore, by defining relationships between different datasets, we can uncover even more information. For example, by combining the student dataset with a dataset on extracurricular activities, we can determine if participation in certain activities correlates with higher grades. In summary, by defining relationships between pieces of data, we can create information that helps us understand patterns, draw conclusions, and make informed decisions. These relationships allow us to extract meaning from raw data and gain valuable insights.

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Answer:

C. WordArt

Explanation:

WordArt feature of MS word is used for styling the text n order to make it look neater or more noticeable. These features are found in the top home menu. They feature text size, text style, text color, and options to make text bold, italic, underlined, etc. There are also many features to make text flashy, colorful, and add special effects. It can be shaded, neon, have shadows, etc.

Answer:

A = 5h (B + b); solve for B.

2

The calculated values are 62.1 Ksi is the maximum normal stress.

Max. Shear stress is 31.05 ksi.

Assuming inner vessel pressure is 60 psi

t=0.375 in, which is the thickness of the vessel's wall

d0/2 -t where r = inner radius

13 x 12 Equals 156 inches, or d0=13 feet in inches.

=78 - 0.375

=77.625 in

The formula for calculating the maximum normal stress in a spherical container is

σ=pr/2t

= 60 x 77.625/ 2 x0.375

100 / 6210 psi = 62.1 Ksi

Shear tension at its maximum, max = max /2

62.1 Ksi/2

=31.05ksi

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Taking  the allowable design stress for aluminium as 90 N/mm². The estimated plate thickness required at base of tank is 0.1612m.

Stress is a force per unit area that occurs in materials as a result of external forces, uneven heating, or permanent deformation. It is used in physical sciences and engineering to accurately describe and predict the behavior of elastic, plastic, and fluid materials. A stress is defined as the product of a force divided by an area.

There are numerous types of stress. Shear stress is caused by forces that are parallel to and lie in the plane of a cross-sectional area of the material, as opposed to normal stress, which is caused by forces that are perpendicular to the area.

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Note that the differential manufacturer that was used in the Banks Power System Testing Project is AMSOIL Incorporated.

AMSOIL Inc. is a Wisconsin-based American firm that primarily formulates and produces synthetic lubricants, gasoline additives, and filters. Throughout the mid-to-late 1960s, company founder Albert J. Amatuzio created numerous synthetic motor oil formulas.

It is to be noted that a differential manufacturer is a company that produces and sells differentials, which are mechanical devices that allow the wheels of a vehicle to rotate at different speeds. Examples of differential manufacturers include Eaton, Dana, and GKN Automotive.

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Answer:

Exploration geophysics is an applied branch of geophysics and economic geology, which uses physical methods, such as seismic, gravitational, magnetic, electrical and electromagnetic at the surface of the Earth to measure the physical properties of the subsurface, along with the anomalies in those properties

Your question is about the document that an outside auditing firm should be asked to sign before conducting a security audit. The correct answer is: c. nondisclosure agreement

A nondisclosure agreement (NDA) is a legal contract that ensures the confidentiality of sensitive information shared between parties during the audit process. This helps to protect the company's intellectual property and trade secrets, while also fostering a trusting environment for the auditing process.

A nondisclosure agreement (NDA) is a legally binding contract that outlines the terms and conditions under which the auditing firm agrees to keep any information obtained during the security audit confidential. This is important to protect the sensitive information and data of the audited organization from being disclosed or used for any unauthorized purposes. It is standard practice for auditing firms to sign an NDA before conducting a security audit to ensure the confidentiality of the audit process and the information obtained during the audit.

Before conducting a security audit, an outside auditing firm should be asked to sign a nondisclosure agreement to ensure that any sensitive information they come across during the audit is kept confidential and not disclosed to unauthorized parties. This agreement helps to protect the company's intellectual property and any other confidential information that could be compromised during the audit process.

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Answer:

  A accountant

  D teacher

  B cook

  C beautician

Explanation:

C is on the right of the accountant, so D (opposite C) is the teacher. The accountant is to the right of the teacher, so cannot be B, and must be A. Then B (opposite A) is the cook, and C (left of B) is the beautician.

__

Clockwise from A:

  A accountant

  D teacher

  B cook

  C beautician

Answer:

When a switch is in the "off" position the circuit is open. Electric charges cannot flow when a switch is in the off position.

Explanation:

A switch that can open or close an electric circuit can be used to stop the flow of current.

A switch can be defined as an electrical component (device) that is typically designed and developed for interrupting the flow of current or electrons in an electric circuit.

This ultimately implies that, a switch that can open or close an electric circuit can be used to stop the flow of current.

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