A particular material has Weibull constants of σ0 = 200 MPa and m = 8. Determine...
A particular material has Weibull constants of σ0 = 200 MPa and m = 8. Determine the survival probability of parts twice the size of the test specimens, loaded to 220 MPa.
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A particular material has Weibull constants of σ0 = 200 MPa and
m = 8. Determine...
The average modulus of rupture of a ceramic material is 400 MPa determined in tests lasting for 15 minutes. The Weibull...
The average modulus of rupture of a ceramic material is 400 MPa determined in tests lasting for 15 minutes. The Weibull modulus of the material is 10 and the time exponent is 40. What is the maximum design modulus of rupture allowed for a component (made of this material) with a volume twice as large as the samples tested if the failure probability has to be less than 10 and the life of the component needs to be more than...
MATERIAL HAS SIGMA F = 220 MPa, E = 200 GPa, Poisson's ratio v = 0.3,...
MATERIAL HAS SIGMA F = 220 MPa, E = 200 GPa, Poisson's ratio v =
0.3, and alpha = 12 x 10^-6 /degrees C
Question 3 The circular steel rod (D=0.1 m) in Figure 3 is constrained by end plates and is subjected to axial load P. Calculate: 1. The internal reaction in AB 2. The internal reaction in BC 3. The maximum value for P for the rod to carry the load with a safety margin of 30%. 4....
the material is structural steel with σf = 220 MPa, E = 200 GPa, ν =...
the material is structural steel with σf = 220 MPa, E = 200 GPa,
ν = 0.3, and α = 12x10-6/oC. please help, provide clear and correct
answers
The cylindrical steel pressure vessel (Figure 3) has diameter D = 20 cm and thickness t=1 cm. Calculate: 1. The maximum pressure P for Tresca's criteria to yield a safety margin of 50% 2. The axial stress Ox that results from the pressure P 3. The hoop stress ge that results from...
MEE2001/2015 Q5. A thin walled steel cylinder with 10 mm wall thickness and internal diameter of 200 mm (Fig. Q5) is subjected to an internal pressure, p. The steel used for the cylinder has a yie...
MEE2001/2015 Q5. A thin walled steel cylinder with 10 mm wall thickness and internal diameter of 200 mm (Fig. Q5) is subjected to an internal pressure, p. The steel used for the cylinder has a yield stress of 240 MPa. +F 200 mm Fig. Q5 (a) If a tensile axial force of 1MN is applied to the end plate, show that the maximum internal pressure that can be applied before the cylinder yields according to the Tresca criterion is 16.2...
Strength of Material 3.7 A cantilever with a length of 1,5 m has a cross-section as...
Strength of Material
3.7 A cantilever with a length of 1,5 m has a cross-section as shown in figure 3.16. Calculate: a) the magnitude of the allowable vertical load at the free end if the maximum allowable stress is 150 MPa, b) the deflection at the free end. E = 200 GPa. [2,97 kN; 13,57 mm) .8 12 112 80 ALERY Figure 3.16 A2 = 30 y los 69
6. If the stresses and strains at a point in a linear elastic material are given...
6. If the stresses and strains at a point in a linear elastic
material are given by
σij = ε
⎛
⎝
⎜⎜
⎞
⎠
⎟⎟
⎛
⎝
⎜⎜
⎞
⎠
⎟⎟
=
885 154 0
154 1038 615
0 615 577
0 002 0 001 0
0 001 0 003 0 004
0 0 004 0
MPa; and ij
. .
. . .
.
respectively, determine (i) the total strain energy density in the
material, (ii) the hydrostatic...
4.A thin-walled cylindrical column carries a weightless arch and is loaded as shown in Figure 4. The column has an internal diameter of 250 mm with a thickness of 2 mm Given: E-200 GPa and 0.3 The an...
4.A thin-walled cylindrical column carries a weightless arch and is loaded as shown in Figure 4. The column has an internal diameter of 250 mm with a thickness of 2 mm Given: E-200 GPa and 0.3 The answer to each part of the question is to be used for subsequent parts (a)Determine the stresses on the outer surface of the cylinder at points A and B due to (8 marks) (b) Determine the minimum internal pressure p required if the...
Solve for each of the problems below. 400 N/m 200 N/m 4 m 8. Determine the...
Solve for each of the problems below.
400 N/m 200 N/m 4 m 8. Determine the force in each member of the truss and state if the members are in tension or compression. (a) Use 0-0 (b) Use 030 kN 15 m 2 m 4 KN 9. A uniform rod has a length I and weight W. It is supported at its left end A by a smooth wall and at its right end by a cord of length s...
Part B (Based off week 11 workshop content) An engineering company has ordered steel to be used for a rail construction project. Before using the steel, they want to test it to ensure the material pro...
Part B (Based off week 11 workshop content) An engineering company has ordered steel to be used for a rail construction project. Before using the steel, they want to test it to ensure the material properties from the supplier are correct. A random sample of the ordered steel is tested for its Yield Strength. The results are shown below. Yield Strength (MPa) 197 203 194 196 196 197 198 205 1. Calculate the sample mean and sample variance by hand,...
Problem 8 Problem Statement Gazelle has developed 7 new items for her designer auto parts business, and she wants to do a quick marketing test. She recruits 200 subjects, and she presents the 7 i...
Problem 8 Problem Statement Gazelle has developed 7 new items for her designer auto parts business, and she wants to do a quick marketing test. She recruits 200 subjects, and she presents the 7 items to each customer. She then records the number of items that they decide to purchase, ending up with this data: Sales Count Customers 15 59 46 26 13 3 200 6 Total Thus, there were 5 customers who purchased no items, 15 customers who purchased...
The average modulus of rupture of a ceramic material is 400 MPa determined in tests lasting for 15 minutes. The Weibull modulus of the material is 10 and the time exponent is 40. What is the maximum design modulus of rupture allowed for a component (made of this material) with a volume twice as large as the samples tested if the failure probability has to be less than 10 and the life of the component needs to be more than...
MATERIAL HAS SIGMA F = 220 MPa, E = 200 GPa, Poisson's ratio v =
0.3, and alpha = 12 x 10^-6 /degrees C
Question 3 The circular steel rod (D=0.1 m) in Figure 3 is constrained by end plates and is subjected to axial load P. Calculate: 1. The internal reaction in AB 2. The internal reaction in BC 3. The maximum value for P for the rod to carry the load with a safety margin of 30%. 4....
the material is structural steel with σf = 220 MPa, E = 200 GPa,
ν = 0.3, and α = 12x10-6/oC. please help, provide clear and correct
answers
The cylindrical steel pressure vessel (Figure 3) has diameter D = 20 cm and thickness t=1 cm. Calculate: 1. The maximum pressure P for Tresca's criteria to yield a safety margin of 50% 2. The axial stress Ox that results from the pressure P 3. The hoop stress ge that results from...
MEE2001/2015 Q5. A thin walled steel cylinder with 10 mm wall thickness and internal diameter of 200 mm (Fig. Q5) is subjected to an internal pressure, p. The steel used for the cylinder has a yield stress of 240 MPa. +F 200 mm Fig. Q5 (a) If a tensile axial force of 1MN is applied to the end plate, show that the maximum internal pressure that can be applied before the cylinder yields according to the Tresca criterion is 16.2...
Strength of Material
3.7 A cantilever with a length of 1,5 m has a cross-section as shown in figure 3.16. Calculate: a) the magnitude of the allowable vertical load at the free end if the maximum allowable stress is 150 MPa, b) the deflection at the free end. E = 200 GPa. [2,97 kN; 13,57 mm) .8 12 112 80 ALERY Figure 3.16 A2 = 30 y los 69
6. If the stresses and strains at a point in a linear elastic
material are given by
σij = ε
⎛
⎝
⎜⎜
⎞
⎠
⎟⎟
⎛
⎝
⎜⎜
⎞
⎠
⎟⎟
=
885 154 0
154 1038 615
0 615 577
0 002 0 001 0
0 001 0 003 0 004
0 0 004 0
MPa; and ij
. .
. . .
.
respectively, determine (i) the total strain energy density in the
material, (ii) the hydrostatic...
4.A thin-walled cylindrical column carries a weightless arch and is loaded as shown in Figure 4. The column has an internal diameter of 250 mm with a thickness of 2 mm Given: E-200 GPa and 0.3 The answer to each part of the question is to be used for subsequent parts (a)Determine the stresses on the outer surface of the cylinder at points A and B due to (8 marks) (b) Determine the minimum internal pressure p required if the...
Solve for each of the problems below.
400 N/m 200 N/m 4 m 8. Determine the force in each member of the truss and state if the members are in tension or compression. (a) Use 0-0 (b) Use 030 kN 15 m 2 m 4 KN 9. A uniform rod has a length I and weight W. It is supported at its left end A by a smooth wall and at its right end by a cord of length s...
Problem 8 Problem Statement Gazelle has developed 7 new items for her designer auto parts business, and she wants to do a quick marketing test. She recruits 200 subjects, and she presents the 7 items to each customer. She then records the number of items that they decide to purchase, ending up with this data: Sales Count Customers 15 59 46 26 13 3 200 6 Total Thus, there were 5 customers who purchased no items, 15 customers who purchased...
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