Steel is sequentially heated and cooled (annealed) to relieve stresses and to make it less brittle. Consider
Question:
Steel is sequentially heated and cooled (annealed) to relieve stresses and to make it less brittle. Consider a 100-mm-thick plate (k = 45 W/m ∙ K. p = 7800 kg/m3 ∙ cp = 500J/kg ∙ K) that is initially at a uniform temperature of 300°C and is heated (on both sides) in a gas-fired furnace for which T∞ = 700°C and h = 500 W/m2 ∙ K. How long will it take for a minimum temperature of 550°C to be reached in the plate?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (12 reviews)
KNOWN Thickness initial temperature and properties of steel plate Convection conditions at bo...View the full answer
Answered By
JAPHETH KOGEI
Hi there. I'm here to assist you to score the highest marks on your assignments and homework. My areas of specialisation are:
Auditing, Financial Accounting, Macroeconomics, Monetary-economics, Business-administration, Advanced-accounting, Corporate Finance, Professional-accounting-ethics, Corporate governance, Financial-risk-analysis, Financial-budgeting, Corporate-social-responsibility, Statistics, Business management, logic, Critical thinking,
So, I look forward to helping you solve your academic problem.
I enjoy teaching and tutoring university and high school students. During my free time, I also read books on motivation, leadership, comedy, emotional intelligence, critical thinking, nature, human nature, innovation, persuasion, performance, negotiations, goals, power, time management, wealth, debates, sales, and finance. Additionally, I am a panellist on an FM radio program on Sunday mornings where we discuss current affairs.
I travel three times a year either to the USA, Europe and around Africa.
As a university student in the USA, I enjoyed interacting with people from different cultures and ethnic groups. Together with friends, we travelled widely in the USA and in Europe (UK, France, Denmark, Germany, Turkey, etc).
So, I look forward to tutoring you. I believe that it will be exciting to meet them.
3.00+
2+ Reviews
10+ Question Solved
Related Book For
Fundamentals of Heat and Mass Transfer
ISBN: 978-0471457282
6th Edition
Authors: Incropera, Dewitt, Bergman, Lavine
Question Posted:
Students also viewed these Mechanical Engineering questions
-
A copper sphere initially at a uniform temperature of 132?C is suddenly released at the bottom of a large bath of bismuth at 500?C. The sphere diameter is 1 cm and it rises through the bath at 1 m/s....
-
How long will it take a payment of $500 per quarter to amortize a loan of $8,000 at 16% compounded quarterly? Approximate your answer in terms of years and months. How much less time will it take if...
-
How long will it take you to save an adequate amount for retirement if you deposit $2,500 per quarter year into an account beginning today thats pays an effective annual rate (EAR) of 4 percent if...
-
Millennium Textiles Company makes silk banners and uses the weighted-average method of process costing. Direct materials are added at the beginning of the process, and conversion costs are added...
-
Assume that Maine Co. (a U.S. firm) measures its economic exposure to movements in the British pound by applying regression analysis to data over the last 36 quarters: SP = b0 + b1e + u Where SP...
-
Southeastern Bell stocks a certain switch connector at its central warehouse for supplying field service offices. The yearly demand for these connectors is 15,000 units. Southeastern estimates its...
-
The method of adjusting the budget to reflect the actual volume of sales is called a. Flexible budgeting b. Activity-based budgeting c. Program budgeting d. Incremental budgeting
-
Comparative Reporting. An assistant drafted the following auditors report at the completion of the audit of Cramdon Inc. on March 5, 2015. The partner in charge of the engagement has decided the...
-
Find the distance around the figure. The distance around the figure is 108 feet. 27 ft 6ft 7 ft 21 ft
-
Was the establishment of a minimum floor price for tomatoes consistent with the free trade principles enshrined in the NAFTA agreement? Why, despite the establishment of a minimum floor price, have...
-
The 150-mm-thick wall of a gas-fired furnace is constructed of fire-day brick (k = 1.5 W/m K. p = 2600 kg/m c p = 1000 J/kg K) and is well insulated at its outer surface. The wall is at a uniform...
-
A plate of thickness 2L = 25 mm at a temperature of 600C is removed from a hot pressing operation and must be cooled rapidly in order to achieve the required physical properties. The process engineer...
-
Isotopic substitution is used to identify characteristic groups in an unknown compound using vibrational spectroscopy. Consider the C~C bond in ethane ( 12 C 2 1 H 6 ). By what factor would the...
-
The concept of joint and several liability holds that a person who caused an injury concurrently with another person can be held equally liable for the full judgment awarded by a court. Some states...
-
Statutes of limitations specify the timeframe within which a lawsuit must be commenced.
-
Proponents of a no-fault approach to reducing the costs associated with exorbitant malpractice awards cite as its advantages swifter and less expensive resolution of claims and more equitable...
-
Some healthcare providers have filed countersuits after being named in what they believe to be frivolous claims. The threat of such suits, however, has not proven to be helpful in reducing the number...
-
A crimea social harm defined and made punishable by lawis generally either a misdemeanor or a felony. A misdemeanor is an offense generally punishable by less than 1 year in jail and/or a fine. A...
-
McGonagall, Inc. is a worldwide manufacturer of plastic parts.The companys pension disclosures from its annual report were as follows: Required 1. Identify the following values of 2014 and 2015: a....
-
Phosgene, COCl2, is a toxic gas used in the manufacture of urethane plastics. The gas dissociates at high temperature. At 400oC, the equilibrium constant Kc is 8.05 104. Find the percentage of...
-
Which system provided here, if any, would be best modeled by an ideal solution? If any of the solutions are non-ideal, discuss whether the Scatchard Hildebrand approach would be appropriate to model...
-
Determine the average power absorbed by the 4- resistor in the network shown in Fig 9.14 2 420 A 12 490 y 2 4 Figure P 9.14
-
Find the average power absorbed by each element in the network shown in Fig. P 9.15 2 j j 1220 + 620 A Figure P 9.15
-
Determine the average power supplied to the network shown in Fig. P 9.16 120 V -j1 220 A
-
The Foundational 15 [LO6-1, LO6-3, LO6-4, LO6-5, LO6-6, LO6-7, LO6-8] [The following information applies to the questions displayed below.] Oslo Company prepared the following contribution format...
-
Direct Materials Purchases Budget FlashKick Company manufactures and sells soccer balls for teams of children in elementary and high school. FlashKick's best-selling lines are the practice ball line...
-
A A- U obe X, x- A Bears Automotive Adjusted Trial Balance December 31, 2020 Account Titles Cash Debit Credit $ 58,000 Accounts receivable 8,000 Supplies Equipment Vehicles Accumulated depreciation...
Study smarter with the SolutionInn App