Tanker Familiarization Tanker Safety and PPE 2

Question 1

Which type of respirator is required when entering a tanker cargo tank with an oxygen-deficient atmosphere?

Accepted Answer

Self-contained breathing apparatus (SCBA)

Answer

An SCBA supplies its own air and is mandatory for oxygen-deficient or immediately dangerous to life or health (IDLH) atmospheres.

Question 2

What is the primary purpose of a safety harness worn during tanker cargo operations?

Accepted Answer

To allow rescue from confined spaces and prevent falls

Answer

Safety harnesses are used to facilitate retrieval from confined spaces and to prevent falls from elevated work areas.

Question 3

Which chemical protective suit classification offers the highest level of skin and respiratory protection?

Accepted Answer

Level A fully encapsulated suit

Answer

Level A suits are fully encapsulated and provide the highest protection against vapors, gases, and chemical splashes.

Question 4

A crew member smells a strong hydrocarbon odor on the cargo deck. What is the correct immediate action?

Accepted Answer

Stop work, alert personnel, and report to the officer in charge

Answer

Any unexpected hydrocarbon odor must be treated as a potential gas leak—work stops immediately and the situation is reported to the OOW.

Question 5

What minimum flash point distinguishes a flammable liquid from a combustible liquid under US regulations?

Accepted Answer

100°F (38°C)

Answer

Under US OSHA and DOT rules, a combustible liquid has a flash point at or above 100°F (38°C), while below that it is classified as flammable.

Tanker Familiarization Practice Test