EBOLC Demolition Questions With 100% Verified Answers

EBOLC Demolition Questions With 100% Verified Answers What is the sole responsibility of the range RSO? - ANSWER- Safety What is the primary reference when determining safety procedures during demolitions operations? - ANSWER- AR 385-63 A risk assessment with a High risk level requires ______ level approval. - CORRECT ANSWER- Brigade On the range, you must maintain accurate accountability of all _______ and _______ at all times. - ANSWER- Explosives; Accessories Before initiating demolitions, you must shout the warning: "____________" - ANSWER- Fire in the hole! How many times must you shout the warning "Fire in the hole!" ? - CORRECT ANSWER- 3 T/F: You can place blasting caps in your pockets. - ANSWER- False T/F: You can bury blasting caps underground. - ANSWER- False _______ is extremely poisonous and should be avoided when blasting in enclosed areas. - ANSWER- TNT T/F: Military blasting caps are not as powerful as commercial ones. - CORRECT ANSWER- False T/F: You can use the M151 and the M152 as a line and ring main. - CORRECT ANSWER- False T/F: Boosters have no primary explosives in them. - ANSWER- True T/F: Blasting caps have primary explosives built into them. - ANSWER- True A knot with 2 interlocking bites is called a: - ANSWER- Square Knot Which knot is used for Bangalore Torpedoes? - ANSWER- Alternate Demo Knot How many wraps are on the bottom of the Alternate Demo Knot when used for Bangalore Torpedoes? - ANSWER- 8 The loose or working end of Det Cord is known as the ________ end. - CORRECT ANSWER- Running A simple bend in the Det Cord where the cord crosses over itself is known as a _________. - ANSWER- Loop A bend in Det Cord that does not cross over itself is known as a _______. - CORRECT ANSWER- Bite All knots must have a 6 inch tail, with the exception of which knot? - CORRECT ANSWER- Uli Knot What is the External formula, used for Timber Cutting? - ANSWER- P = D^2 / 40 What is the Internal formula, used for Timber Cutting? - ANSWER- P = D^2 / 250 What is the Abatis formula, used for Timber Cutting? - ANSWER- P = D^2 / 50 What is the RE factor and package weight of TNT? - ANSWER- RE Factor = 1.00; Weight = 1.00 lbs What is the RE factor and package weight of C4 (M112)? - ANSWER- RE Factor = 1.34; Weight = 1.25 lbs What is the RE factor and package weight of M1 Dynamite? - ANSWER- RE Factor = 0.92; Weight = 0.50 lbs What is the RE factor based off of? - ANSWER- The Relative Effectiveness Factor is based on the shattering effect of an explosive in relation to that of TNT. _________ occurs when too much explosives are used. - ANSWER- Overkill What are the 3 consequences of Overkill? - ANSWER- 1. Mission failure 2. Obstacle ineffectiveness 3. Waste of explosives ________ occurs when insufficient explosives are used. - ANSWER- Underkill What are the 2 consequences of Underkill? - ANSWER- 1. Mission failure 2. Obstacle incomplete When working with timber, what must you always do first? - ANSWER- Conduct a test shot Kicker charges should be placed _____ of the way up the tree on the __________ side of the tree as the main charge. - ANSWER- 2/3; Opposite T/F: When working with timber, plastic explosives are best to use. - CORRECT ANSWER- True e T/F: Timber charges should be oriented vertically. - ANSWER- False; Horizontally Abatis emplacement should create approximately ______ ft of obstacle. - CORRECT ANSWER- 75 Adding C-wire and mines to an Abatis obstacle is known as "_________." - CORRECT ANSWER- Tying In The ROT for stump removal for a dead stump is _________ lb per ft. - CORRECT ANSWER- 1 When converting circumference to diameter, you divide by ________. - CORRECT ANSWER- 3.14 For Abatis obstacles, the measurements should be made ____________ inches above the ground. - ANSWER- 12-18 Abatis charges should be placed approximately ______ ft above ground level. - ANSWER- 5 You should use a _______ charge on the opposite side of the tree, especially if it is leaning in a strange way. - ANSWER- Kicker