Type a keyword to start searching...

Use ⌘K or Ctrl+K to search from anywhere
RAFF Exit Exam • Set 3 Question 2 of 30

In cargo ships the diameter of fire main need to be sufficient for the discharge of _____ with two pumps simultaneously delivering through nozzles

✓

Direct Answer

Option D: 140 meter cube per hour

SOLAS Chapter II-2 mandates that cargo ships maintain adequate fire main pressure. The piping diameter must ensure a minimum water discharge capacity of 140 cubic meters per hour when two hydrants are operating simultaneously at the required statutory pressure.

All Options

A
135 meter cube per hour
B
145 meter cube per hour
C
14 meter cube per hour
D
140 meter cube per hour (Correct Answer)

Detailed Explanation & Context

SOLAS Chapter II-2 mandates that cargo ships maintain adequate fire main pressure. The piping diameter must ensure a minimum water discharge capacity of 140 cubic meters per hour when two hydrants are operating simultaneously at the required statutory pressure.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Advanced Fire Fighting (RAFF).

Advertisement

Practice Full RAFF Set 3

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.

Leave a Comment / Clarification

By posting, you agree to our Terms & Moderation Policy.

Loading mariner discussions...