1) In Figure (a) strain gages 1 and 2 recorded strains of 700 and -800 micro, respectively. The normal strains are

Normal strains in x and y directions are 700 and 800 micro, respectively.

Normal strains in x and y directions are 700 and -800 micro, respectively.

Normal strains in x and y directions are -700 and 800 micro, respectively.

Normal strains in x and y directions are -700 and -800 micro, respectively.

2) In Figure (b) strain gages 1 and 2 recorded strains of 700 and -800 micro, respectively. The normal strains are

Normal strains in x and y directions are 700 and 800 micro, respectively.

Normal strains in x and y directions are 700 and -800 micro, respectively.

Normal strains in x and y directions are -700 and 800 micro, respectively.

Normal strains in x and y directions are -700 and -800 micro, respectively.

3)

The angle that can be substituted in the strain transformation Equation 9.5 relating the strain gage reading to strains in Cartesian coordinates for Figure (c) is

35 degrees

125 degrees

145 degrees

55 degrees

None of the above

4) The angle that can be substituted in the strain transformation Equation 9.5 relating the strain gage reading to strains in Cartesian coordinates for Figure (d) is

35 degrees

125 degrees

145 degrees

55 degrees

None of the above

5) The angle that can be substituted in the strain transformation Equation 9.5 relating the strain gage reading to strains in Cartesian coordinates for Figure (e) is

35 degrees

125 degrees

145 degrees

55 degrees

None of the above

6) A point in plane stress has the Mohr circle for strain shown in Figure (f). The modulus of elasticity of the material is E = 10,000 ksi and Poisson’s ratio is 0.25. The maximum shear strain is

1100 micro

1300 micro

1900 micro

1800 micro

None of the above

7) A point in plane stress has the Mohr circle for strain shown in Figure (g). The modulus of elasticity of the material is E = 10,000 ksi and Poisson’s ratio is 0.25. The maximum shear strain is

1100 micro

1300 micro

1900 micro

1800 micro

None of the above

8) A point in plane stress has the Mohr circle for strain shown in Figure (h). The modulus of elasticity of the material is E = 10,000 ksi and Poisson’s ratio is 0.25. The maximum shear strain is

1100 micro

1300 micro

1900 micro

1800 micro

None of the above

9) In plane strain there are two principal strains, but in plane stress there are three principal strains.

True

False

10) The principal coordinate axis for stresses and strains is always the same, irrespective of the stress–strain relationship.

True

False

Do you have any comments or suggestions? Please send them to author@madhuvable.org