Tanker pump room ventilation must be switched on at least how many minutes before entry ?
Direct Answer
Option C: 30 minutes
Tanker pump room ventilation must be operated for at least 30 minutes before entry to ensure adequate purging of any accumulated hazardous vapours. This critical safety measure, specified in ISGOTT, prevents the formation of flammable or toxic atmospheres, safeguarding personnel during operations.
All Options
Detailed Explanation & Context
Tanker pump room ventilation must be operated for at least 30 minutes before entry to ensure adequate purging of any accumulated hazardous vapours. This critical safety measure, specified in ISGOTT, prevents the formation of flammable or toxic atmospheres, safeguarding personnel during operations.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
Practice Full CHEMCO Set 10
Test yourself with 30 interactive questions, live timer, and instant score.