A good blast with a good yield is obtained if the cut hole is___________________?
(A) normal to face
(B) inclined at 45° to the face
(C) inclined at 15° to the face
(D) inclined at 30° to the face
Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *