Flashcards in Quiz 1 Deck (35)
Weight, RE and dimension of M1 dynamite
RE and weight of TNT
Characteristics of C2 primasheet
.083 x 10"x38'
2 rolls per box / 40lbs
NEW: .5 per 1 ft
Characteristics of M186
.75x 3"x 50'
3 rolls per box / 80lbs
NEW: .5 per 1ft
Characteristics of M112 block demolition charge
30 per box /40lbs
How many grains per foot is Det cord
What are the types of block demolition charges
40lb CRSTERING CHARGE
Is ammonium nitrate hygroscopic?
Yes absorbs humidity
What is M700
Time blasting fuse
How can you tell the difference between time fuse and DET cord?
Time fuse- dark green plastic with yellow band
- has black powder core
DET CORD- white powder, green outer cover w/o markings
How far can moisture penetrate DRT cord
What blasting cap would you use for an electrical firing system
What blasting cap would you use for a non-electrical firing system?
How many amps/ volts are needed to set of a M6 blasting cap?
1.5 amps/ 3 volts
What are the different parts of the M2 crumpets
Handle- poking holes
How long must you wait for a non- electrical misfire? Electrical?
30 min non-electrical
No wait time for electrical
What can cause premature detonation of electrical blasting caps?
Radio, radar, tv signals, lightning, static electricity
How do you find Det cord net explosive weight?
Length in ft*54*RE=total grains of explosive
Grains/7000=net explosive weight in lbs
What is the minimum safe distances for charges less than 27lbs
How do you calculate safe distance
Meters= 100x cubed root of NEW
What type and how many fire extinguisher guishers should the truck be equipped with?
2 B/C fire extinguishers
Where should blasting caps/ initiators be transported?
In another vehicle away from explosives. If not possible in cab of truck in approved ammunition container.
How should you store explosives?
No less than 3in between bottom of floor
No less than 18in between top of the stack and the cover
How are magazines placed?
How much should magazines weigh?
No more than 500lbs per pile
How far apart should magazines be placed?
No less than 140ft
What are the different detonation effects
To transmit the greatest shock the charge must:
Charge to target contact is crucial
What type of charge is efficient? Quicker?