Types Explosives

Question 1

3 types of timber explosives

Answer 1

Internal
External
Ribg

Question 2

Internal types explosives used

Answer 2

Dynamite, plastic

Question 3

External types explosives used

Answer 3

Circular: plastics & sheet

Dimensional: TNT, plastic & sheet

Question 4

Ring types explosives used

Answer 4

Plastic & sheet

Question 5

2 most critical Considerations for direction of fall

Answer 5

Wind and lean

Remember to attack least dimension

Question 6

INTERNAL formula (efficient, uses least amount exp)

Answer 6

P= D2/250

Question 7

EXTERNAL formula (quickly. Fast placement but more NEW)

Answer 7

P= D2/40

Question 8

RING formula (should be as wide as possible)

Answer 8

P=D2/40

at least 1/2” thick up to 15”

1” thick for medium up to 30”

Question 9

ABATIS formula

Answer 9

P= D2/50

Question 10

Six step problem solving format #1.

Answer 10

Gather all critical data

Question 11

6 step problem solving format #2

Answer 11

Calculate for TNT (P)

Question 12

6 step problem solving format #3.

Answer 12

Divide by RE factor of the explosive used

Question 13

6 step problem solving format #4

Answer 13

Divide by package weight and round up to next whole package

Question 14

6 step problem solving format # 5

Answer 14

Number of charges

Question 15

6 step problem solving format #6

Answer 15

Total quantity of explosive

* multiply 4 by 5