Question

The equipment used for both drop cut and terrace cut in surface mining is

• A. Dragline
• B. Shovel
• C. Surface miner
• D. Bucket wheel excavator

Hint:

Bucket wheel excavators are continuous mining machines commonly used for \[ \boxed{\text{Drop-cut and terrace-cut excavation}.} \]

Answer 1

The Correct Option is D

Step 1: Recall the application of bucket wheel excavators. Bucket wheel excavators are continuous excavation machines widely used in large-scale surface mines.

Step 2: Identify their operating modes. They are capable of performing both \[ \boxed{\text{Drop cut}} \] and \[ \boxed{\text{Terrace cut}} \] operations. Hence, \[ \boxed{\text{Bucket wheel excavator}} \] is the correct answer. Therefore, \[ \boxed{(D)} \] is the correct answer.