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The modulus of rigidity and the modulus of elasticity of a material are 80 GPa and 200 GPa. What will be the Poissons ratio of the material?
A
0.25
B
0.30
C
0.40
D
0.50
Correct Answer:
0.25
As E = 2G(1 + μ) putting E = 200 and G = 80 we get μ = 0.25.
Youngs modulus of elasticity and Poissons ratio of a material are 1.25 x 102 MPa and 0.34 respectively. The modulus of rigidity of the material is __________
A
0.9469 MPa
B
0.8375 MPa
C
0.4664 MPa
D
0.4025 MPa
What will be the modulus of rigidity if the value of modulus of elasticity is 200 and Poissons ratio is 0.25?
A
70
B
80
C
125
D
250
In an experiment, the bulk modulus of elasticity of a material is twice its modulus of rigidity. The Poissons ratio of the material is ___________
A
1/7
B
2/7
C
3/7
D
4/7
If a material had a modulus of elasticity of 2.1 kgf/cm2 and a modulus of rigidity of 0.8 kgf/cm2 then what will be the approximate value of the Poissons ratio?
A
0.26
B
0.31
C
0.47
D
0.43
The Youngs modulus of elasticity of a material is 2.5 times its modulus of rigidity. Then what will be its Poissons ratio?
A
0.25
B
0.33
C
0.50
D
0.60
Determine the Poissons ratio and bulk modulus of a material, for which Youngs modulus is 1.2 and modulus of rigidity is 4.8.
A
7
B
8
C
9
D
10
What is the expression for modulus of rigidity in terms of modulus of elasticity and the Poissons ratio?
A
G = 3E / 2(1 + μ)
B
G = 5E / (1 + μ)
C
G = E / 2(1 + μ)
D
G = E/ (1 + 2μ)
What will be the ratio of Youngs modulus to the modulus of rigidity of a material having Poissons ratio 0.25?
A
3.75
B
3.00
C
1.5
D
2.5
The Young's modulus of a material is 125 GPa and Poisson’s ratio is 0.25. The modulus of rigidity of me material is
A
30 GPa
B
50 GPa
C
80 GPa
D
100 GPa
If E, N, K and $$\frac{1}{{\text{m}}}$$ are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good
A
$${\text{E}} = 3{\text{K}}\left( {1 - \frac{2}{{\text{m}}}} \right)$$
B
$${\text{E}} = 2{\text{N}}\left( {1 + \frac{1}{{\text{m}}}} \right)$$
C
$$\frac{3}{2}{\text{K}}\left( {1 - \frac{2}{{\text{m}}}} \right) = {\text{N}}\left( {1 + \frac{1}{{\text{m}}}} \right)$$
D
All the above