Terminology Flashcards
PI
symbol denotation ratio of a circle to diameter (3.14)
Circumference
perimeter of a circle
Diameter
length of a straight line through the center of an object
Radius
half the distance of a diameter
Breaching Radius
half the distance that the explosive force of an explosive breaches through (3 dimensional)
One Dimensional
lacking depth, a line example, the horizon
Two dimensional
area with no depth only surface, example the top of a table
Three Dimensional
area plus depth, example a brick
Area
surface set in 2 dimensional. length x width
Volume
amount of space occupied by 3 dimensional objects. length x width x height
Square
rectangle with equal four sides, no depth (2 dimensional)
Cube
object with 6 sides, has depth (3 dimensional)
Cylinder
a circle with depth. example a roll of quarters (3 dimensional)
Cone
a cylinder with a triangular top
Square Root
a factor of a number that the root is itself times itself. example square root of 9=3, 3x3=9
Cube Root
the factor of a number when the root is itself times itself. example the cube root of 27=3, 3x3x3=27
Fraction
a numerical representation indicating a quotient of two numbers. example 1/2, 1/4 , a portion, a fraction
Numerator
a part of a fraction above line and signifies the number to be divided by the denominator
Denominator
part of a fraction below line and that fractions as divisor of the numerator
decimal
fragment or part of a whole number expressed in numbers by percentage example .12
Deflagrate
change from a solid to a gaseous state relatively slow (burning)
Detonate
instantaneously or rapid change from a solid to a gaseous state
M-37 Satchel Charge
consist of 8 blocks of M5A1 C-4 PKG, wt. 20lbs
M183 Satchel Charge
consist of 16 blocks M112 C-4 PKG, wt. 20lbs
Charge
consists of one or more blocks of explosive. example you have 4 trees to destroy, each tree takes 4 blocks of tnt. to destroy all 4 trees, take 4 charges, each charge consisting of 4 blocks of tnt for a total of 16 blocks
Block Package/Stick
single entity of explosive
Fuse Ignitor
M60 used for no electrical firing system. M-81 used for MDI
MDI
modern demolition (initiators)
Non-Electric Firing System
consist of an initiator (usually M60), time fuse (usually M700) and a non electric blasting cap (usually M-7)
Electric Firing System
consist of power source (usually CD-450), firing wire, and an electric cap (usually M6)
Ring Main
det cord tied into itself in a circle in between charges from which branch lines are tied off
Branch Line
strip of det cord with a priming knot on one end. used to prime a charge and tie into a Ring Main
Priming Knot
a knot used to take the place of a blasting cap to prime a charge. example uli, spiral, double overhand knot, four wrap, eight wrap, wiseman knot, det cord lace
Square Knot
used to connect det cord together and tie in firing systems to ring main
