Design of Shell and Tube Heat Exchanger
Crude oil at 198°C is to be cooled to 39°C. The oil flow-rate is
6.127 kg/s. Cooling water
is available at 29°C and at the rate of 27.127 kg/s. The pressure
drop allowance for each stream
is 100 kN/m2
. Design a suitable shell and tube heat exchanger for this
duty.
The following are the properties of the two streams at the average
temperature:
| water | crude oil | |
| density kg/m3 | 990 | 850 |
|
viscosity mNm-2 s |
0.680 | 0.18 |
| thermal conductivity W/m K | 0.630 | 0.130 |
| specific heat kJ/ kg °K | 4.2 | 2.3 |
Data:
Assume overall heat transfer coefficient of 502 W/m2 K.
Tubes: 20 mm o.d., 16 mm i.d. tubes, 4 m long, square pitch 1.25do,
carbon steel.
Pull through head, Floating Head type heat exchanger.
Baffle = 1/5 of the shell diameter and 25 % cut baffles
Fouling factors 0.0003 m2 K/ W for cooling water and 0.0002 m2 K/ W
for crude oil
Thermal conductivity of metal = 57 W/m K
Present your results with detailed calculations to design Shell and Tube Heat Exchanger. Mention the various assumptions made in the calculations.
Estimate the cost of the heat exchanger.
In: Other
You have been appointed as the Project Manager for a New Product Launch Project by your company. You must prepare a set of documents for the project kick-off meeting coming up next month.
Task 1:
Prepare a Project Charter for the New Product Launch Project (according to the choice of your product as explained above).
Please use the Project Charter template given below
Name of the Project
Background
[Why is the project being undertaken? Describe an opportunity or
problem that the project is to address.]
Goals
Scope
[What will be the end result of the project? Describe what phases
of work will be undertaken. It’s also important to mention what
activities will not be included in this project.]
Key Stakeholders
|
Client |
[name] |
|
Sponsor |
[name] |
|
Project manager |
[name] |
|
Project team members |
[name], [name], [name], [name]. |
Project Milestones
[Identify the significant project milestones: start date, end date
and invoicing dates to the client.]
Project Budget
[Describe the main project expenses: non-recurring & monthly
recurring.]
Constraints, Assumptions, Risks and
Dependencies
|
Constraints |
[Describe here potential factors that will impact the delivery of the project] |
|
Assumptions |
[Describe here conditions or situations that you are relying on in order to achieve project goals] |
|
Risks and Dependencies |
[What are the most significant risks? What things must happen before the project is delivered?] |
In: Operations Management
Review the project charter template and apply it to a project of your choice. Make suggestions for improving the template.
Please write your own project in charter template and make a suggestion how can the project charter templet can be improved for project managemnt.
Project Charter Templet
Background
[Why is the project being undertaken? Describe an opportunity or problem that the project is to address.]
Goals
[specific & measurable goal 1]
[specific & measurable goal 2]
[specific & measurable goal 3]
Scope
[What will be the end result of the project? Describe what phases of work will be undertaken. It’s also important to mention what activities will not be included in this project.]
Key Stakeholders
|
Client |
[name] |
|
Sponsor |
[name] |
|
Project manager |
[name] |
|
Project team members |
[name], [name], [name], [name]. |
Project Milestones
[Identify the significant project milestones: start date, end date and invoicing dates to the client.]
Project Budget
[Describe the main project expenses: non-recurring & monthly recurring.]
Constraints, Assumptions, Risks and Dependencies
|
Constraints |
[Describe here potential factors that will impact the delivery of the project] |
|
Assumptions |
[Describe here conditions or situations that you are relying on in order to achieve project goals] |
|
Risks and Dependencies |
[What are the most significant risks? What things must happen before the project is delivered?] |
Approval Signatures
|
[Name], Project Client |
[Name], Project Sponsor |
[Name], Project Manager |
In: Operations Management
Describe the key features of each structure including function, organization, cellular location, and some of the most important molecules that characterize the structure.
a. Ribosome
b. Nucleolus
c. Nuclear Pore Complex
d. Endoplasmic Reticulum
What type of microscopy could you use to “see” the structure? Would your method allow a direct or indirect visualization? Explain your choice based on structure size and the resolution needed to detect the structure.
These are the tools that we covered: transmission electron microscopy (TEM), electron microscopy, fluorescence microscopy, immunofluorescence microscopy. Feel free to mention other tools that you might know of.
Describe the steps of ribosome biogenesis. What is imported from the cytoplasm to the nucleus and what is exported from the nucleus to the cytoplasm. Use the following diagram to help you.

Figure 6-45 The function of the nucleolus in ribosome and other ribonucleoprotein synthesis. The 45S precursor rRNA is packaged in a large ribonucleoprotein particle containing many ribosomal proteins imported from the cytoplasm. While this particle remains at the nucleolus, selected components are added and others discarded as it is processed into immature large and small ribosomal subunits. The two ribosomal subunits attain their final functional fom only after each is individually transported through the nuclear pores into the cytoplasm. Other ribonucleoprotein complexes, including telomerase shown here, are also assembled in the nucleolus.
In: Biology
The national surveyconducted a poll examining the financial health of public servants as they approach retirement age. According to responses from the survey of persons 55 years of age and over, 60% of them have stated that they are adequately prepared for retirement. Proposed changes to mandatory retirement laws may mean that persons who would normally be retiring at age 65, may no longer choose to do so, particularly if they feel they are not financially in the position to. Based on the findings of this survey, you want to extrapolate the number of people in your division who are adequately prepared for retirement. To do so, a random and independent sample of employees ages 55 plus where n=10 was conducted.
a) Define the random variable x as the number of persons who feel adequately prepared for retirement. We know that x is a binomial random variable. Please write a paragraph explaining what random varioable x means in the given context. Use graphs, number or whatever is required to answer the question. It can be about a page long.
b) Find the probability that more than 5 people who responded are adequately prepared for retirement. This will help you plan for future hiring. Please calculate and also mention the logic and reason behind it while answering. please show each steps in terms of how you calculate what you calculate, for example, variance, standard deviation etc. I am interested in all the formula and steps you use.
In: Statistics and Probability
International Finance
A) Using the currency tables provided in the International Finance Handout (page 9) in Canvas for July 4, 2014 (Friday’s reported price), convert $100,000 to Indian Rupees. You can choose to use either US $ Equivalent or Currency per US $
B) Using the currency tables provided in the international Finance Handout (pages 8 and 9) in Canvas for June 6th, 2014 and July 4th, 2014 (Friday’s reported price for each), identify whether the US dollar got stronger or weaker relative to the European euro during this time period.
C) Using the currency tables provided in the International Finance Handout (page 9) in Canvas for July 4th, 2014 (Friday’s reported price), calculate the Russian Ruble/Turkish Lira exchange rate (hint – rubles should be in the numerator).
Cost Of Capital
A) Explain why debt is typically the cheapest source of financing for the firm and common stock the most expensive (hint – there are two reasons why debt is the cheapest…you should mention them both). Note that the word “Explain” is not the same as “list” – to get full credit
B) Given the statement in A (debt is typically the cheapest source of financing for the firm and common stock the most expensive), firms that want to minimize their cost of capital should get 99% of their total financing from debt and only 1% from common stock. True or False and explain.
In: Finance
In: Nursing
Question 1: Erin McKenna’s Bakery will definitely have significant budget variances due to the COVID-19 virus business closure, especially if she receives no assistance financially from an outside source. After reviewing the web page, discuss the potential impact of COVID-19 on sales, operating expenses, cash receipts and cash disbursements. Be detailed in your answers - please mention specific impacts within those four categories. (10 points)
Question 2: Erin McKenna’s Bakery has less than 500 employees, therefore her business could qualify for some of the Small Business Administration programs (Links to an external site.) that are included in the CARES Act (Links to an external site.) that was signed into law by President Trump on Friday March 27th. (10 points)
A. How can the Paycheck Protection Program (Links to an external site.) help Erin’s business?
B. How can the EIDL Loan Advance (Links to an external site.) help Erin’s business?
C. How can the SBA Express Bridge Loans (Links to an external site.) help Erin’s business?
Question 3: How do you feel about the outlook for Erin McKenna's Bakery's future, if she pursues some of these options with the Small Business Administration? Your answer should be a full paragraph, not just a single sentence. (10 points)
In: Accounting
Company Name :
Describe your Products /Services :
In your Organization you have been assigned as a Process owner for implementing ISO 9001: 2015 in a new Premises for existing Products/Services or existing and new Products/Services.
1 Mark will be given for Presentation. Hence total marks is 10.
Note: Processes for Clause No 4.4 are covered in Question No 4. So you need not give process details again. However, you need to describe the process how your organization is complying with clause 4.4.
Tools can be SWOT analysis, Porter’s Five forces analysis, PESTLE Analysis, etc.
Wherever it is confidential, you need not provide that information. However please ensure that you are providing the necessary information to make it very clear. (For eg, if your supplier name for Pipes is confidential , then in the list of interested parties you can mention as Supplier of Pipes)
This assignment has to be submitted in PDF.
In: Accounting
On 1st January, 2016, a building materials
manufacturing company in Oman purchased a farm land from the
outskirts of Al Dhakliyah region. The cost of the property was OMR
675,000 and the company has made the settlement in full. The
property tax of OMR 36,000 was due from the previous owner of the
farm was paid by the company. All the legal costs relating to the
acquisition of land was OMR 5,400. The old building in the farm
land was demolished at a cost of OMR 54,000 and certain materials
from the old building were recovered by the demolishing persons.
The total value of the salvaged materials from the demolished
buildings was sold out and the value of such salvaged materials
sold was OMR 9,000. The company is proposed to construct a new
building which is going to be used exclusively for its business
purpose. The city municipality has assessed for water connections,
sewage and pavement of street and for this process the total cost
was arrived at OMR 27,000.
a) Calculate the total cost of land to be recorded in
the statement of financial position.
b) Usually, when a land is purchased much type of
other related costs will be included with the purchase price of
land. Mention the name of the costs which are included with the
purchase price. Though it is a Land the life is an unlimited. Hence
land is not considered for depreciation but land and building
absolutely comes under depreciation. If you are agreeing with this
statement, critically analyze with your explanation.
In: Accounting