EBOLC Demolition Questions With Answers

EBOLC Demolition Questions With Answers Never attach M456 Det Cord, an M151, or an M152 to this component. - CORRECT ANSWER- M81 An _________ can accommodate and ensure proper proximity for initiating up to 5 shock tubes, 5 M151/152's OR 1 strand of M456 Det Cord. - CORRECT ANSWER- M9 Holder This component has a high-strength blasting cap, factory-crimped to a 30-ft length of shock tube. It also has a small J-hook for easy attachment to M456 Let Cord, a yellow flag 2 meters from the blasting cap and a red flag 1 meter from the blasting cap. - CORRECT ANSWER- M11 An _____ has a high-strength blasting cap, factory-crimped to about 7.5 ft length of time fuse that has a 5 minute burn time. - CORRECT ANSWER- M14 When priming a block of C4 (M112), using M456 Det Cord, what knot is used below freezing? - CORRECT ANSWER- Uli Knot When priming a block of C4 (M112), using M456 Det Cord, what knot is used above freezing? - CORRECT ANSWER- Double Overhand Knot This component has a secondary explosive booster crimped onto 10 ft of low-strength Det Cord to allow the user to pre-prime explosives for military operations and bury explosives. It also has a large J-hook for easy attachment to M456 Det Cord. - CORRECT ANSWER- M151 The black M9 holder accommodates what type of blasting cap? - CORRECT ANSWER- High Strength This component has a high-strength blasting cap pre-crimped to a 1000 ft length of mini shock tube. It comes with an M81E1 in-line initiator on the mini shock tube. - CORRECT ANSWER- M23 An _____ has a low-strength blasting cap, factory-crimped to a 500 ft length of shock tube. - CORRECT ANSWER- M12 The gold/green M9 holder accommodates what type of blasting cap? - CORRECT ANSWER- Low Strength When priming a stick of M1 dynamite, using M456 Det Cord, what technique is used? - CORRECT ANSWER- Dynamite Lace This component has 200 ft length of dual mini shock tube with two high-strength blasting caps and two M81E1 in-line initiators. - CORRECT ANSWER- M19 When priming a block of TNT, using M456 Det Cord, what demo knot is used? - CORRECT ANSWER- Alternate Demo Knot This component has a secondary explosive booster crimped onto 30 ft of low-strength Det Cord to allow the user to pre-prime explosives for military operations and bury explosives. It also has a large J-hook for easy attachment to M456 Det Cord. - CORRECT ANSWER- M152 This component has a high-strength blasting cap pre-crimped to 500 ft length of mini shock tube. It comes with an M81E1 in-line initiator on the mini shock tube. - CORRECT ANSWER- M21 An _____ has a high-strength blasting cap, factory-crimped to 30 ft length of time fuse that has a 20 minute burn time. - CORRECT ANSWER- M18 What is the preferred knot to tie on a Det Cord branch line to a line main or ring main? - CORRECT ANSWER- Girth Hitch with an Extra Turn An _____ has a low-strength blasting cap, factory-crimped to a 1000 ft length of shock tube. - CORRECT ANSWER- M13 When taping a blasting cap to a line or ring main, how much of the cap needs to be exposed on each side? - CORRECT ANSWER- 1/8 and 1/4 Inch When priming a Bangalore with M456 Det Cord, how many wraps do you need on the bottom? - CORRECT ANSWER- 8 Where are the boosters located on the Bangalore Torpedo? How long are they? - CORRECT ANSWER- On each end of the Bangalore. They are 4 Inches long. Explosives that are considered block in form are: - CORRECT ANSWER- C4 and TNT The explosive that is considered cylindrical in form is: - CORRECT ANSWER- M1 Dynamite The correct term for "the shattering effect of explosives in relation to that of TNT" is known as what? - CORRECT ANSWER- The Relative Effectiveness (RE) Factor The part of the Basic Demo System that is responsible for carrying the pressure wave from the Initiation System to the Primary Charge is the _______. - CORRECT ANSWER- Firing System Your line main or ring main must be made of what? - CORRECT ANSWER- Det Cord List the types of high-strength blasting caps. - CORRECT ANSWER- M11, M14, M18, M19, M21, M23 List the types of low-strength blasting caps. - CORRECT ANSWER- M12, M13 What is the rule for securing component into the M9 holder? - CORRECT ANSWER- 1- 2 you Loop; 3-5 you Tie What is the RE factor of TNT? - CORRECT ANSWER- 1.00 What explosive has an RE factor of 1.34? - CORRECT ANSWER- C4 (M112) Shaped demolition charges are used to create bore holes, which must be done in order for you to use _______ charges. - CORRECT ANSWER- Cratering T/F: Shaped demo charges are effective underwater. - CORRECT ANSWER- False T/F: Bangalore torpedoes can be used to clear 3-4 yd paths through C-wire and heavy undergrowth. - CORRECT ANSWER- True