OSV Chemical Code Chapter 7 Cargo Tank Venting Quiz Set B

Source: Guidelines for the Transport and Handling of Limited Amounts of Hazardous and Noxious Liquid Substances in Bulk on Offshore Support Vessels (OSV Chemical Code), Chapter 7 – Cargo Tank Venting.
Reference: imorules.com – Chapter 7, Cargo Tank Venting

2. Which arrangements may be accepted to ensure the liquid head in any tank does not exceed the design head of the tank?

A) High-level alarms, overflow control systems or spill valves, with gauging and tank filling procedures B) A second pressure/vacuum valve on each tank C) Increasing the vent header diameter by 25% D) Restricting the cargo to a maximum relative density of 1.025

Chapter 7 – Cargo Tank Venting – Set B