(2) Given a ductile wrought steel material, whose yield tensile strength S = 36 ksi. and...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
(2) Given a ductile wrought steel material, whose yield tensile strength S = 36 ksi. and ultimate tensile strength Sut = 72 ksi. Select its design factor N = 2 to design the machine element. (a) When the machine element of the ductile material is used for uniaxial static normal stresses, what kind of failure prediction method should be used? [1 pt] Maximum Normal Stress Method; [Maximum Shear Stress Method; Goodman Method [ ] Yield Strength Method; [ ] Endurance Strength Method; 1 (b) When it is used for static shear stress on the ductile material, please estimate its maximum shear stress. [2 pt] (c) When the machine element is used for repeated & reversed normal or shear stresses on the ductile material, what kind of failure prediction method should be used? [1 pt] Maximum Normal Stress Method; [ Maximum Shear Stress Method; [Goodman Method [ ] Yield Strength Method; ( ) Endurance Strength Method; (d) When the machine element of the ductile material is used for repeated & reversed normal or shear stresses, and the machine element is a shaft with diameter D 1.5 inches, (i) The typical values of the endurance strength Sn can be estimated as for steels are 1/2 of [pt] [the yield tensile strength; [ ]the ultimate tensile strength (ii) Calculate the typical value of the endurance strength S. [1 pt] (iii) In order to estimate the actual endurance strength S'a The material factor Cm is listed as [1 pt] [10.66; [10.70; [0.76; []1.0; [10.80 The stress-type factor Cis listed as [1 pt] [10.80; [1.0 For reliability 99.9%, the reliability factor Ca is selected from the following table: [1 pt] Approximate Reliability TABLE 5-3 Factors, CR Desired reliability CR 0.50 1.0 0.90 0.90 0.99 0.81 0.999 0.75 [1.00; [ ] 0.90; [ ] 0.81; [ ]0.75 The size factor Cs is calculated from the following table: [1 pt] Table 5-4 Size Factors Size range D= 0.30 0.30 (v) Calculate the design shear stress td when the machine element is used for repeated & reversed shear stress [1 pt] (2) Given a ductile wrought steel material, whose yield tensile strength S = 36 ksi. and ultimate tensile strength Sut = 72 ksi. Select its design factor N = 2 to design the machine element. (a) When the machine element of the ductile material is used for uniaxial static normal stresses, what kind of failure prediction method should be used? [1 pt] Maximum Normal Stress Method; [Maximum Shear Stress Method; Goodman Method [ ] Yield Strength Method; [ ] Endurance Strength Method; 1 (b) When it is used for static shear stress on the ductile material, please estimate its maximum shear stress. [2 pt] (c) When the machine element is used for repeated & reversed normal or shear stresses on the ductile material, what kind of failure prediction method should be used? [1 pt] Maximum Normal Stress Method; [ Maximum Shear Stress Method; [Goodman Method [ ] Yield Strength Method; ( ) Endurance Strength Method; (d) When the machine element of the ductile material is used for repeated & reversed normal or shear stresses, and the machine element is a shaft with diameter D 1.5 inches, (i) The typical values of the endurance strength Sn can be estimated as for steels are 1/2 of [pt] [the yield tensile strength; [ ]the ultimate tensile strength (ii) Calculate the typical value of the endurance strength S. [1 pt] (iii) In order to estimate the actual endurance strength S'a The material factor Cm is listed as [1 pt] [10.66; [10.70; [0.76; []1.0; [10.80 The stress-type factor Cis listed as [1 pt] [10.80; [1.0 For reliability 99.9%, the reliability factor Ca is selected from the following table: [1 pt] Approximate Reliability TABLE 5-3 Factors, CR Desired reliability CR 0.50 1.0 0.90 0.90 0.99 0.81 0.999 0.75 [1.00; [ ] 0.90; [ ] 0.81; [ ]0.75 The size factor Cs is calculated from the following table: [1 pt] Table 5-4 Size Factors Size range D= 0.30 0.30 (v) Calculate the design shear stress td when the machine element is used for repeated & reversed shear stress [1 pt]
Expert Answer:
Answer rating: 100% (QA)
Answer Given wrought steel material Syt36ksi Sut 72ks N facture of safety 2 Wh... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
Posted Date:
Students also viewed these mechanical engineering questions
-
Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...
-
CANMNMM January of this year. (a) Each item will be held in a record. Describe all the data structures that must refer to these records to implement the required functionality. Describe all the...
-
Comprehensive variance analysis review. Sonnet Inc. has the following budgeted standards for the month of March 2010: Sales of 2,000,000 units are budgeted for March. Actual March results are: Unit...
-
Descibe a situation in which balloon drivers do not work.
-
Los Lobos Corp. uses the direct method to prepare its statement of cash flows. Los Lobos?s trial balances at December 31, 2020 and 2019, are as follows. Additional information: 1. Los Lobos purchased...
-
Use the R code given on the Web page for this chapter to plot the data on mental rotation that we have seen in Chapter 3.
-
Jerry is the project manager for a team developing a retail store management system for a chain of sporting goods stores. Company headquarters is in Las Vegas, and the chain has 27 locations...
-
Map the Below ER diagram to a relational database. Make sure you show the primary keys and map all the relationships. Part III Create queries demonstrating INSERT, CREATE, UPDATE, SELECT, and DESC...
-
1. What values do you have as an individual? Which is most important to you and why? 2. Where do your values come from? 3. What values would be important to have as a human service worker or chemical...
-
What is the output of the following code snippet? Assume that the current directory is the root path /. A. ../found/red.zip and ../../locks B. /found/red.zip and /found/red.zip/./locks C....
-
Which code, if inserted into the method, will cause it to correctly copy any file passed to it that is accessible? (Choose two.) void copyFile(String source, String target) throws Exception { try...
-
What is the output of the following program? Assume the file paths referenced in the class exist and are able to be written to and read from. A. 1,Red B. 2,Green C. 2,null D. 3,Purple E. 4,null F....
-
Lets say we want to write an instance of Cereal to disk, having a name value of CornLoops and sugar value of 5. What is the value of name and sugar after this object has been read from disk using the...
-
Which of the following is a valid lambda expression? A. r -> {return 1==2} B. (q) -> true C. (x,y) -> {int test; return test>0;} D. a,b -> true E. None of the above
-
Fairfield wanted to buy into Gem Corporation. He decided to purchase the corporation's stock instead of its assets. After the sale was completed, a creditor of Gem sued Gem. Is Fairfield liable if...
-
Ball bearings are widely used in industrial applications. You work for an industrial food machinery manufacturer and your role is to design the driveshaft assembly on a new type of equipment that...
-
Consider expansion of a function in terms of a series \(F_{n}(x)\) in the following form: \[f(x)=\sum_{n} A_{n} F_{n}(x)\] If the functions \(F_{n}\) are orthogonal then this property helps to unfold...
-
Eigenvalues without pain: CHEBFUN code. Eigenfunctions can be derived using the CHEBFUN with MATLAB since it has an overloaded eig function. The following code solves for the eigenfunctions of the...
-
For the Biot problem in a slab by expanding the sin and cos term and keeping only terms up to \(\lambda^{2}\) the following approximate relation can be obtained for the eigenvalues for small Biot...
Study smarter with the SolutionInn App