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This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Geotechnical Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
The auxiliary plane in the hydrostatic axis can also be called as ___________ |
A. | Failure plane |
B. | Octahedral plane |
C. | Deviatoric plane |
D. | Principal plane |
Answer» D. Principal plane | |
2. |
The Mohr-Coulomb criterion assumes that the strength of the soil is independent of ____________ |
A. | σ1 |
B. | σ2 |
C. | σ3 |
D. | All of the mentioned |
Answer» C. σ3 | |
3. |
The hydrostatic pressure’s inability to produce failure under normal pressure was first demonstrated by ___________ |
A. | Cross land |
B. | W. Pager |
C. | D.C. Drucker |
D. | Mohr |
Answer» B. W. Pager | |
4. |
The intersection of the yield surface or envelope with octahedral plane is called ____________ |
A. | Yield point |
B. | Deviation point |
C. | Failure locus |
D. | Space diagonal |
Answer» D. Space diagonal | |
5. |
If the auxiliary plane in hydrostatic axis passes through the origin, then its equation is _____________ |
A. | σ1+σ2+σ3=0 |
B. | σ1+σ2+σ3=constant |
C. | I1+ I2+I3 =0 |
D. | f(σ1,σ2,σ3)=0 |
Answer» B. σ1+σ2+σ3=constant | |
6. |
The yield or failure criterion can be expressed as ____________ |
A. | f(I1,I2)=0 |
B. | f(I1,I2,I3)=0 |
C. | f(σ1,σ2,σ3)=0 |
D. | f(σmax +σmin) |
Answer» C. f(σ1,σ2,σ3)=0 | |
7. |
A major drawback of Mohr criterion is ____________ |
A. | Shape of the envelope |
B. | Principal stress |
C. | Shape of the plane |
D. | All of the mentioned |
Answer» B. Principal stress | |
8. |
The concept of a three dimension yield envelope was presented by _________ |
A. | D.C. Drucker and Prager |
B. | Mohr |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Mohr | |
9. |
The Mohr’s theory of failure can be symbolically expressed as ____________ |
A. | τmax=F(σn) and σmax–σmin = f(σmax +σmin) |
B. | τmax = σmax– σmin |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. τmax = σmax– σmin | |
10. |
THE_AUXILIARY_PLANE_IN_THE_HYDROSTATIC_AXIS_CAN_ALSO_BE_CALLED_AS___________?$ |
A. | Failure plane |
B. | Octahedral plane |
C. | Deviatoric plane |
D. | Principal plane |
Answer» D. Principal plane | |
11. |
THE_MOHR-COULOMB_CRITERION_ASSUMES_THAT_THE_STRENGTH_OF_THE_SOIL_IS_INDEPENDENT_OF____________?$ |
A. | σ1 |
B. | σ2 |
C. | σ3 |
D. | All of the mentioned |
Answer» C. ‚âà√¨‚àö√¢3 | |
12. |
Which of the following equation represent hydrostatic pressure in its purest form? |
A. | σ1+σ2+σ3=0 |
B. | σ1+σ2+σ3=constant |
C. | σ1=σ2=σ3 |
D. | σmax+ σmin |
Answer» D. ‚âà√¨‚àö√¢max+ ‚âà√¨‚àö√¢min | |
13. |
The hydrostatic pressure’s inability to produce failure under normal pressure was first demonstrated by___________$ |
A. | Cross land |
B. | W. Pager |
C. | D.C. Drucker |
D. | Mohr |
Answer» B. W. Pager | |
14. |
The intersection of the yield surface or envelope with octahedral plane is called____________ |
A. | Yield point |
B. | Deviation point |
C. | Failure locus |
D. | Space diagonal |
Answer» D. Space diagonal | |
15. |
If the auxiliary plane in hydrostatic axis passes through the origin, then its equation is_____________ |
A. | σ1+σ2+σ3=0 |
B. | σ1+σ2+σ3=constant |
C. | I1+ I2+I3 =0 |
D. | f(σ1,σ2,σ3)=0 |
Answer» B. ‚âà√¨‚àö√¢1+‚âà√¨‚àö√¢2+‚âà√¨‚àö√¢3=constant | |
16. |
The yield or failure criterion can be expressed as____________ |
A. | f(I1,I2)=0 |
B. | f(I1,I2,I3)=0 |
C. | f(σ1,σ2,σ3)=0 |
D. | f(σmax +σmin) |
Answer» C. f(‚âà√¨‚àö√¢1,‚âà√¨‚àö√¢2,‚âà√¨‚àö√¢3)=0 | |
17. |
A major drawback of Mohr criterion is____________ |
A. | Shape of the envelope |
B. | Principal stress |
C. | Shape of the plane |
D. | All of the mentioned |
Answer» B. Principal stress | |
18. |
The concept of a three dimension yield envelope was presented by_________ |
A. | D.C. Drucker and Prager |
B. | Mohr |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Mohr | |
19. |
The Mohr’s theory of failure can be symbolically expressed as____________ |
A. | τmax=F(σn) and σmax–σmin =f(σmax +σmin) |
B. | τmax = σmax– σmin |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. ‚âà√¨‚àö√´max = ‚âà√¨‚àö√¢max‚Äö√Ñ√∂‚àö√ë‚àö¬® ‚âà√¨‚àö√¢min | |