Maximum roof exposure for caving is

Home / Mining Engineering / Coal Mining / Question

Examveda

A. 60 - 90m²

B. 20 - 40m²

C. 40 - 60m²

D. 100 - 120m²

Answer: Option A

This Question Belongs to Mining Engineering >> Coal Mining

Join The Discussion

Related Questions on Coal Mining

A. 100W

B. 80W

C. 60W

D. 40W

View Answer

A. 800 l

B. 600 l

C. 1100 l

D. 1200 l

View Answer

A. Blasting

B. Supporting

C. Mucking

D. Ventilation

View Answer

A. Over hung tubby

B. Under hung

C. Brick

D. Concrete

View Answer