An inclined passage or road either on the surface or below ground

Answer: Option A

Option A: In set
This option suggests that an inclined passage or road either on the surface or below ground is called an "In set." This statement is incorrect. "In set" does not refer to an inclined passage in mining terminology.

Option B: On set
This option suggests that an inclined passage or road either on the surface or below ground is called an "On set." This statement is incorrect. "On set" is not a term used in mining engineering to describe an inclined passage.

Option C: Interm place
This option suggests that an inclined passage or road either on the surface or below ground is called an "Interm place." This statement is incorrect. "Interm place" is not a recognized term in mining engineering for an inclined passage.

Option D: Incline
This option suggests that an inclined passage or road either on the surface or below ground is called an "Incline." This statement is correct. In mining engineering, an "incline" refers to an inclined passage or roadway that provides access to different levels of a mine. It can be on the surface or below ground, allowing for the transportation of materials and personnel.

Conclusion:
The correct answer is Option D: Incline because in mining engineering, an "incline" is a term used to describe an inclined passage or road that facilitates movement within a mine, either on the surface or underground.