JOSMRC Exam Study Guide with Complete Solutions 2025
JOSMRC Exam Study Guide with Complete Solutions 2025 IDLH Oxygen - Correct Answer 19.5% or 22% IDLH Explosives - Correct Answer 10% LEL IDLH Toxins - Correct Answer NIOSH IDLH Limit Some question that will have NSTMs and the EDORM - Correct Answer Pick EDORM AFFF range - Correct Answer 15 feet and decreasing CO2 range - Correct Answer 4 - 6 feet PKP range - Correct Answer 19 or 21 feet Free communication effects - Correct Answer Open to the sea, Partially flooded, Asymmetrical about the centerline 6 Management Precepts -VERBATIM - Correct Answer 1) Enforce quality training and qualifications 2) PQS 3) Operational procedures 4) Maintenance procedures 5) Clear communications 6) Increased LOK What is emulsification - Correct Answer Water mixed with oil What part of EOCC is memorized by watchstanders? - Correct Answer Immediate actions Cool down if staying in heat stress environments - Correct Answer Twice the stay time or 4 hours (whichever is less) Double barrier protection - Correct Answer a. High Temp ( 200 F) b. High Pressure ( 1000 psi) c. Seawater connected systems (greater than ¼ inch) d. Hull penetrations below the waterline e. Fluids with Flashpoints 200 F f. Oxygen g. IDLH
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