Explosive Safety, Transportation And Storage

Question 1

Maintain control of ____ at all times.

Answer 1

Initiation sources

Question 2

Always ____ initiate explosives.

Answer 2

Dual

Question 3

Where can blasting caps not be used?

Answer 3

Underground.

Question 4

Suspend blasting operations with electric initiation systems during ____.

Answer 4

Electrical storms.

Question 5

Do not carry ____ in pockets period in any uncontrolled container.

Answer 5

Loose blasting caps.

Question 6

Always ____ yourself before unshunting.

Answer 6

Ground

Question 7

Keep caps at least ____ away from energized power lines.

Answer 7

155 meters.

Question 8

Always check ____ before using electric blasting caps.

Answer 8

Continuity

Question 9

Premature detonation of electric blasting caps may be induced by ____.

Answer 9

Radio, radar, tv signals, lighting, static electricity.

Question 10

Always conduct at least a ____ test burn of time fuse. Mark each roll with ____, ____ and ____. Retest after ____.

Answer 10

3 foot.
DTG, test burn time, your name.
24 hours.

Question 11

Do not use first and last ____ of time dude roll.

Answer 11

6 inches.

Question 12

Never use ____ when cutting shock tube.

Answer 12

Crimpers.

Question 13

Avoid ____, ____ and ____ as well as ____ det cord.

Answer 13

Sharp bend, loops, kinks as well as stepping on

Question 14

RE factor of det cord

Answer 14

1.66

Question 15

The MSD for charges less than 27 lbs.

Answer 15

300 meters

Question 16

For charges between 27 and 500 lbs refer to

Answer 16

Table 6-2 on page 6-7

Question 17

Over 500 lbs MSD is calculated using

Answer 17

Meters = 100 x cube root(net explosive weight)

Feet = 300 x cube root(net explosive weight)

Question 18

Formula for NEW

Answer 18

New = qty x package weight x RE factor

New is the tnt equivalent

Question 19

For non electric misfires you must wait ____

Answer 19

30 minutes.

Question 20

For electric misfires person in charge will clear misfire while maintaining control of ____

Answer 20

Power source.

Question 21

The responsibility for ____ explosives should not be divided.

Answer 21

Loading, storing and transporting

Question 22

Vehicles need to be equipped with at least ____

Answer 22

2 class b/c fire extinguishers

Question 23

If blasting caps and explosives must be in the same vehicle, store them in the ____ of the vehicle in an _____.

Answer 23

Cab

Approved ammunition container.

Question 24

To ensure air circulation, no less than ____ of dunnage between bottom of the stack and the earth flooring. No less than ____ between the top and the cover

Answer 24

3 inches

18 inches

Question 25

Explosive magazines are placed according to ____ (acronym)

____ is the most important factor.

Answer 25

SADD
Safety 
Accessibility 
Dryness
Drainage

Safety

Question 26

Temporary magazines should weigh no more than ____ per pile with no less than ____ between them.

Answer 26

500 lbs

140 feet

Question 27

____ can be burned to destroy. Must calculate ____. Stacked piles not to exceed ____ or ____.

Answer 27

Packed or unpacked HE.
MSD
2000 lbs or 3 inches thick.

Question 28

How to destroy blasting caps.

Answer 28

By detonation only.