STSDSD Exit Exam • Set 6 Question 7 of 30

What parameter must be verified prior to authorizing enclosed space entry for regulatory compliance and STCW code requirements related to Security Training Designated Duties?

✓

Direct Answer

Option A: Atmospheric oxygen level at 20.9% and zero toxic/flammable gas concentration

Enclosed space entry protocols under SOLAS Regulation III/19 and IMO guidelines demand strict atmospheric testing verifying 20.9% oxygen and zero toxic or flammable gases prior to authorizing crew access.

All Options

A

Atmospheric oxygen level at 20.9% and zero toxic/flammable gas concentration (Correct Answer)

B

Oxygen level at 15% with ventilation turned off

C

Visual inspection through access hatch without gas testing

D

Temperature check only

Detailed Explanation & Context

Enclosed space entry protocols under SOLAS Regulation III/19 and IMO guidelines demand strict atmospheric testing verifying 20.9% oxygen and zero toxic or flammable gases prior to authorizing crew access.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Security Training for Seafarers with Designated Security Duties (STSDSD).

Practice Full STSDSD Set 6

Test yourself with 30 interactive questions, live timer, and instant score.

Launch Practice Simulator →

Question Discussion & Notes

0

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Loading mariner discussions...

« Previous Question Next Question »

More Questions in STSDSD Set 6

View All 30 →

Q1 What specific safety precaution must be observed when managing regulatory compliance and STCW code requirements for Security Training Designated Duties on board? Q2 Which international regulation specifies the minimum standard for regulatory compliance and STCW code requirements concerning Security Training Designated Duties? Q3 In the event of an emergency involving regulatory compliance and STCW code requirements during Security Training Designated Duties tasks, what immediate action is required? Q4 How frequently must operational drills and practical checks for regulatory compliance and STCW code requirements be conducted for Security Training Designated Duties? Q5 What documented record must be maintained on board following completion of tasks related to regulatory compliance and STCW code requirements in Security Training Designated Duties? Q6 What type of personal protective equipment (PPE) is essential when handling regulatory compliance and STCW code requirements under Security Training Designated Duties guidelines? Q7 What parameter must be verified prior to authorizing enclosed space entry for regulatory compliance and STCW code requirements related to Security Training Designated Duties? Q8 What key responsibility belongs to seafarers performing watchkeeping duties for regulatory compliance and STCW code requirements under Security Training Designated Duties? Q9 Which document contains detailed hazard data and emergency handling instructions for substances involved in regulatory compliance and STCW code requirements during Security Training Designated Duties? Q10 At higher security levels, recording security events may need to be