(2025 EXAM) SWO61 Chap 3,8

Question 1

How much do you cut off time fuse or safety fuse prior to testing burn rate?

Answer 1

6 inches

Question 2

What length do you cut off time fuse or safety fuse to test the burn rate?

Answer 2

6ft

Question 3

How many blasting caps are permitted at the priming site at any one time?

Answer 3

100

Question 4

Do not crimp more than what distance from open end of blasting cap?

Answer 4

1/4 inch

Question 5

Misfire wait times?

Answer 5

• electric blasting or non-electric det wait 30 minutes.
• Non-electric blasting caps and time fuse wait :60.