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USCG Exam PracticeWatch duties, terminology, and instrumentation

Before opening a pressurized steam valve or casing in the engine room, which sequence of conditions must the watchstander verify?

  1. A. Alarm silenced, log entry made, and watch engineer notified
  2. ✓ System isolated, depressurized, cooled, and where required tagged outCorrect
  3. C. Feedwater secured, gauge glass blown down, and burners tripped
  4. D. Sound-powered phone manned, PPE donned, and bilges dry

Why B is correct

NAVEDTRA 14104 §1-2 specifies that before opening any pressurized system, valve, or casing, the watchstander verifies it is isolated, depressurized, cooled, and where required tagged out. The other options describe related but separate safety practices.

Cited:NAVEDTRA 14104 §1-2

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Before opening a pressurized steam valve or casing in the engine ro… — USCG Exam Practice · CaptainsGround