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

5. Bypassing a pressure/vacuum valve in a controlled venting system under certain operating conditions is permitted provided that:

A) The bypass is opened only while the vessel is in port B) The flame-prevention requirement is maintained and there is suitable indication of whether the valve is bypassed C) The master gives written permission on each occasion D) A spectacle blank is fitted downstream of the bypass

Chapter 7 – Cargo Tank Venting – Set B