Rock Mechanics and Rock Engineering MCQs Questions & Answers | Geological Engineering Page-4 section-1

31.
What is the Poisson�s ratio of a rock?

A. Ratio of axial to lateral strain

B. Ratio of lateral to axial strain

C. Ratio of stress to strain

D. Ratio of force to area

Answer & Solution Discuss in Board Save for Later

32.
Which of the following parameters is directly measured in the Point Load Test?

A. Tensile strength

B. Uniaxial compressive strength

C. Point load index

D. Modulus of elasticity

Answer & Solution Discuss in Board Save for Later

33.
The factor of safety in slope design is defined as:

A. Ratio of resisting forces to driving forces

B. Driving force � resisting force

C. Shear force � normal force

D. Unit weight � cohesion

Answer & Solution Discuss in Board Save for Later

34.
The most suitable rock for underground excavation without support is:

A. Shale

B. Granite

C. Gypsum

D. Marl

Answer & Solution Discuss in Board Save for Later

35.
Which parameter does the GSI system evaluate?

A. Water table depth

B. Rock mass quality

C. Ground temperature

D. Borehole length

Answer & Solution Discuss in Board Save for Later

36.
In a Mohr-Coulomb failure envelope, failure occurs when:

A. Normal stress increases

B. Pore pressure decreases

C. Shear stress exceeds cohesion

D. Shear stress exceeds shear strength

Answer & Solution Discuss in Board Save for Later

37.
What is the main purpose of using grouting in rock engineering?

A. Lubrication

B. Load transfer

C. Water sealing and strength improvement

D. Cooling

Answer & Solution Discuss in Board Save for Later

38.
Slaking of rocks occurs due to:

A. Acid attack

B. Thermal expansion

C. Repeated wetting and drying

D. Earthquake

Answer & Solution Discuss in Board Save for Later

39.
What is UCS in rock testing?

A. Unconfined Soil Compression

B. Uniform Core Strength

C. Uniaxial Compressive Strength

D. Ultimate Cohesion Strength

Answer & Solution Discuss in Board Save for Later

40.
The Brazilian test is used to determine:

A. Young�s modulus

B. Cohesion

C. Tensile strength

D. Friction angle

Answer & Solution Discuss in Board Save for Later

Rock Mechanics and Rock Engineering MCQs Questions & Answers | Geological Engineering

31. What is the Poisson�s ratio of a rock?

Answer & Solution

32. Which of the following parameters is directly measured in the Point Load Test?

Answer & Solution

33. The factor of safety in slope design is defined as:

Answer & Solution

34. The most suitable rock for underground excavation without support is:

Answer & Solution

35. Which parameter does the GSI system evaluate?

Answer & Solution

36. In a Mohr-Coulomb failure envelope, failure occurs when:

Answer & Solution

37. What is the main purpose of using grouting in rock engineering?

Answer & Solution

38. Slaking of rocks occurs due to:

Answer & Solution

39. What is UCS in rock testing?

Answer & Solution

40. The Brazilian test is used to determine:

Answer & Solution

Read More Section(Rock Mechanics and Rock Engineering)

31.
What is the Poisson�s ratio of a rock?

32.
Which of the following parameters is directly measured in the Point Load Test?

33.
The factor of safety in slope design is defined as:

34.
The most suitable rock for underground excavation without support is:

35.
Which parameter does the GSI system evaluate?

36.
In a Mohr-Coulomb failure envelope, failure occurs when:

37.
What is the main purpose of using grouting in rock engineering?

38.
Slaking of rocks occurs due to:

39.
What is UCS in rock testing?

40.
The Brazilian test is used to determine: