Question

Pocket and wing technique of pillar extraction is related to

• A. Bord and pillar method
• B. Room and pillar method
• C. Wongawilli method
• D. Shortwall method

Hint:

The Pocket and Wing method is a characteristic feature of \[ \boxed{\text{Wongawilli pillar extraction}.} \]

Answer 1

The Correct Option is C

Step 1: Recall the Wongawilli mining method. The Wongawilli method is a pillar extraction technique used in underground coal mining.

Step 2: Identify the extraction technique. In this method, extraction is carried out using the \[ \boxed{\text{Pocket and Wing technique}.} \] Hence, \[ \boxed{\text{Wongawilli method}} \] is the correct answer. Therefore, \[ \boxed{(C)} \] is the correct answer.