AIGF Exit Exam • Set 5 Question 8 of 30
What is relative vapour density?
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Direct Answer
Option D: The mass of a vapour compared with the mass of an equal volume of air, both at standard condition of temperature and pressure
Relative vapor density is the ratio of the mass of a gas volume to the mass of an equal volume of dry air at standard temperature and pressure (Air = 1.0).
All Options
A
Inner surface designed to contain the cargo when the cargo containment system includes a secondary barrier
B
The chemical union of two or more molecules of the same compound to form a larger molecule of a new compound
C
The mass of a liquid at a given temperature compared with the mass of an equal volume of fresh water at the same temperature at a different given temperature
D
The mass of a vapour compared with the mass of an equal volume of air, both at standard condition of temperature and pressure
(Correct Answer)
Detailed Explanation & Context
Relative vapor density is the ratio of the mass of a gas volume to the mass of an equal volume of dry air at standard temperature and pressure (Air = 1.0).
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Ships subject to the IGF Code (AIGF).
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