Terminology

Question 1

Pi

Answer 1

Ratio of a circle’s circumference to its diameter (3.14)

Question 2

Circumference

Answer 2

Perimeter of a circle

Question 3

Diameter

Answer 3

Length of a straight line through the center of an object

Question 4

Radius

Answer 4

Half the distance of a diameter

Question 5

Breaching radius

Answer 5

Used in conventional breaching. The total distance needed to breach through an object (AFTER THE ROUNDING RULES)

Question 6

One Dimensional

Answer 6

Lacking depth, a line. Example: the horizon

Question 7

Two Dimensional

Answer 7

Area with no depth only surface. Example: the top of a table

Question 8

Three Dimensional

Answer 8

Area plus depth. Example: a brick

Question 9

Area

Answer 9

Surface set in 2 dimensional. Length x Width

Question 10

Volume

Answer 10

Amount of space occupied by 3 dimensional objects. Length x Width x Height

Question 11

Square

Answer 11

Rectangle with equal four sides, no depth (2 dimensional)

Question 12

Cube

Answer 12

Object with 6 sides has depth (3 dimensional)

Question 13

Cylinder

Answer 13

A circle with depth. Example: a roll of quarters (3 dimensional)

Question 14

Cone

Answer 14

A cylinder with a triangular top. Example: an ice cream cone

Question 15

Square Root

Answer 15

A factor of a number that the root is itself times itself. Example: square root of 9=3. 3x3=9

Question 16

Cube Root

Answer 16

A factor of a number when the root is itself times itself. Example: the cube root of 27=3. 3x3x3=27

Question 17

Fraction

Answer 17

A numerical representation indicating a quotient of two numbers. Example: 1/2, 1/4. A portion, a fragment

Question 18

Numerator

Answer 18

A part of a fraction above the line and signifies the number to be divided by the denominator

Question 19

Denominator

Answer 19

A part of a fraction below the line and that functions as a divisor of the numerator

Question 20

Decimal

Answer 20

Fragment or part of a whole number expressed in numbers by percentage. Example: .12, .32

Question 21

Whole Number

Answer 21

Entity not a fragment

Question 22

Deflagrate

Answer 22

Rapid burn

Question 23

Detonate

Answer 23

Instantaneous or rapid change from a solid to a gaseous state

Question 24

M183 Satchel Charge

Answer 24

Consists of 16 blocks M112 C-4 PKG. Wt. 20 lbs.

Question 25

Block/Package/Stick

Answer 25

Single entity of explosive

Question 26

Fuse Igniter

Answer 26

M60 used for time fuse only. M81 used for Shock Tube and time fuse

Question 27

MDI

Answer 27

Modern Demolition Initiators

Question 28

Non-Electric Firing System

Answer 28

Consists of an initiator (usually M60), time fuse (usually M700), and a non-electric blasting cap (usually M7)

Question 29

Electric Firing System

Answer 29

Consists of power source (usually CD-450), firing wire, and an electric cap (usually M6)

Question 30

Ring Main

Answer 30

Det cord tied onto itself to form a circle from which branch lines are tied into to set off multiple charges. Creates redundancy in the explosive train

Question 31

Line Main

Answer 31

Det cord line that is used to set off multiple charges. Less time to set up vs. a ring main, but with no redundancy

Question 32

Branch Line

Answer 32

Length of det cord used to prime an explosive charge and to tie the charge into a line/main

Question 33

Priming Knot

Answer 33

A det cord 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

Question 34

Square Knot

Answer 34

Used to connect det cord together and tie in firing systems to a ring main

Question 35

“Work Quickly”

Answer 35

Quickest method of constructing a charge and attacking a target. Most amount of explosives, conventional charge, external charge

Question 36

“Work Efficiently/Effectively”

Answer 36

Most effective method of constructing a charge and attacking a target. Least amount of explosives, advanced charge, internal charge

Question 37

NONEL

Answer 37

Shock tube is called “Nonel” by the civilian industry as it is short for non-electric

Question 37

ECT

Answer 37

Explosive Cutting Tape. Brand name for Low Hazard Flexible Linear Shape Charge. Utilizes the Munroe effect to cut steel. Also utilized for door and wall breaching