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IFIA (questions well answered) already passed
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IFIA (questions well answered) alreadypassed
It becomes lower - correct answer ✔✔As the density of a material increases, what happens to the API
Gravity?
Pure water at the specified temperature - correct answer ✔✔Density of any substance is the ratio of its
mass to its volume, usually at a specified temperature. Relative Density is the ratio of the density of a
substance at a specified temperature to the density of what other substance?
Observed API Gravity of the contents; API Gravity for which the capacity table was calculated; correction
in barrels for each degree of difference in API Gravity - correct answer ✔✔When a capacity table
indicates a reference API Gravity and an API Gravity correction per barrel variance for a shore tank, what
data must be available to calculate a floating roof correction?
Volume Correction Factor (VCF) - correct answer ✔✔When calculating the Gross Standard Volume (GSV)
in a shore tank at a pressure of 1 atmosphere, the factor 'Ctpl' / 'CTL' is the same as which other factor?
True - correct answer ✔✔If a cargo does not contain S&W, the Gross Standard
Volume and the Net Standard Volume are the same.
GSV (Gross Standard Volume) - correct answer ✔✔For a crude oil cargo, what information does the
formula
GOV x VCF give?
Free water - correct answer ✔✔The Total Calculated Volume is equal to the Gross
Standard Volume plus what?
Liquid must touch all four bulkheads - correct answer ✔✔For a trim correction to apply, which of the
following
conditions must exist?
, Trim divided by the length between perpendiculars - correct answer ✔✔What is the equation used to
calculate a vessel's 'trim
factor'?
The density or API gravity at the observed temperature of the oil in the tank - correct answer ✔✔What
must roof corrections be based on?
The slope per linear foot (or metre) of the vessel - correct answer ✔✔What is the 'trim factor' of a
vessel?
False - correct answer ✔✔Tanks on barges or other small vessels do not require trim corrections because
they are too small for a correction to make a significant difference.
Oil, S&W & Free Water - correct answer ✔✔When an automatic in-line sampler is used correctly during
the discharge of a crude oil vessel, what will the resulting sample include?
10.000 m [25'] below the reference gauge point - correct answer ✔✔A tank has a measured gauge
height of 15.000 m [45'] and is filled to a 10.000 m [40'] innage with no free water. To take a middle spot
sample, to what point in the tank must you lower the sampler?
13.500 m [40'] below the reference gauge point - correct answer ✔✔A tank has a measured gauge
height of 15.000 m [45'] and is filled to a 9.000 m [30'] innage with no free water. To take a lower spot
sample, to what point in the tank must you lower the sampler?
7.500 m [15'] below the reference gauge point - correct answer ✔✔A tank has a measured gauge height
of 15.000 m [45'] and is filled to a 9.000 m [36'] innage with no free water. To take an upper spot sample,
to what point in the tank must you lower the sampler?
3.150 m [5' 06"] below the reference gauge point - correct answer ✔✔A tank has a measured gauge
height of 15.000 m [45'] and is filled to a 12.000 m [40'] innage with no free water. To take a top spot
sample to what point in the tank must you lower the sampler?
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