41.
The term "spalling" in rock engineering refers to:

42.
Which test is used to measure the tensile strength of rock?

43.
Which phenomenon results in rock mass failure due to water pressure buildup?

44.
The term "block size" in rock masses is controlled by:

45.
Which is a common method for assessing in-situ stress in rock?

46.
Which is NOT a typical rock mass classification system?

47.
The creep behavior of rock is more significant in:

48.
The primary purpose of shotcrete in rock engineering is:

49.
The term "bedding plane" refers to:

50.
Which parameter describes the ability of rock to absorb energy before failure?

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