4-23. To make nighttime use easier, the armed position of the baseplate on a Mk 25 marine location marker is marked in what way? 1. It is machined-notched at the armed position 2. It is machined-notched at the safe position 3. It has an illumination decal at the safe position 4. It has a raised bead at the armed position 4-24. When a Mk 25 marine location marker is handled, what component physically prevents the base plugs from being accidently pushed in? 1. The locking block 2. The arming plate 3. The retainer ring 4. The spring-loaded plug retainer 4-25. When a Mk 25 Mod 2 marker is in the 4-26. 4-27. 4-28. water, what liquid serves as an electrolyte to produce a current in the battery? 1. Fresh water 2. Oil 3. Seawater 4. Acid What is the average burn time of a Mk 25 Mod 2 marine location marker? 3.0 to 8 min 1. 2. 9 to 12 min 3. 13.5 to 18.5 min 4. 20.5 to 30.5 min A Mk 25 marine location marker can be launched by which of the following methods? 1. Electronically 2. Manually only 3. Sonobuoy launcher only 4. Manually or sonobuoy launcher When it is going to be sonobuoy launched, what component should be installed around the base of a Mk 25 marine location marker? 1. A red G-ring 2. A black G-ring 3. A Mk 24 Mod 1 adapter kit 4. A Mk 34 Mod 0 adapter kit 4-29. 4-30. 4-31. 4-32. 4-33. 4-34. To eject a Mk 25 marine location marker from the SLC and the sonobuoy launch tube, what device is used? 1. A split foam spacer 2. A JAV-1/B cartridge 3. A Mk 4 cartridge 4. An electromechanical solenoid A Mk 58 Mod 1 marine location marker will produce smoke and flame for what minimum to maximum number of minutes? 1. 10 to 20 min 2. 20 to 30 min 3. 30 to 40 min 4. 40 to 60 min A Mk 58 marine location marker can be launched by which of the following methods? 1. Hand only 2. Bomb rack only 3. Sonobuoy only 4. Hand, bomb rack, and sonobuoy When carried externally on a bomb rack, the pull ring and reinforced adhesive foil strip are removed from a Mk 58 marine location marker by what means? 1. A cartridge 2. The airstream 3. An arming wire 4. A fuze As the first candle nears burnout in a Mk 58 marine location marker, the second candle is ignited by what means? 1. The Mk 13 electrical squib 2. The heat from the first candle 3. The transfer time fuze 4. The heat thermocouple What force ejects a Mk 46 decoy flare from the dispenser? - 1. A Mk 4 impulse cartridge 2. A Mk 131 impulse cartridge 3. Ram air 4. Internal air pressure 4-35. To extinguish an aircraft parachute flare that is burning in the open, which of the following methods should you use? 1. A chemical extinguisher 2. A carbon dioxide extinguisher 3. Flooding quantities of water at low pressure 4. Flooding quantities of water at high pressure 19