IFIA SECTION 4 - MARINE
MEASUREMENT with complete
solutions
If the vessel incurs an in transit loss of product and an
in transit gain in water, what action should be taken?
a. Obtain samples of the free water
b. Check the vessel's bunkers and bunker consumption
during the voyage
c. Verify the condition of seals on the sea suction and
overboard discharge valves
d. Answers a., b. and c. are all correct - correct answer ✔✔D
If the vessel has independently certified wedge tables,
they may be used instead of calculating the wedge
volume yourself.
a. True
b. False - correct answer ✔✔A
If a vessel is out of trim and product in a tank is
touching all four bulkheads, should you use the
wedge formula to calculate the volume?
a. Yes
b. No - correct answer ✔✔B
Can a free water volume be calculated using a wedge
formula, if the water does not touch the forward
,bulkhead.
a. Yes
b. No - correct answer ✔✔A
The preferred device for taking temperatures in a
marine custody transfer is?
a. A liquid-in-glass thermometer in a cup-case assembly
b. An in-line temperature probe
c. An on-board radar system
d. A portable electronic thermometer - correct answer ✔✔D
What is the first thing you must do when you board a
marine vessel?
a. Report to the person in charge
b. Have the tanks open, ready to gauge and sample
c. Always take samples first
d. Always take gauges first - correct answer ✔✔A
The vessel's master states that he will load 15,000 MT
of a product. Your instructions state that a maximum
of 13,000 MT should be loaded. What will be your
course of action?
a. Assume the vessel's master has more up to date
information
b. Contact your principal for instructions.
c. Help to calculate the stop gauge to be certain the ship is
not overloaded.
d. Leave the decision to the terminal. - correct answer ✔✔B
, When you are on board a marine vessel, the overall
responsibility for the use of proper safety procedures,
appropriate measurement equipment and the correct
sampling equipment rests with?
a. The inspector
b. The inspection company that the inspector works for
c. The vessel
d. The inspection company's principal - correct answer ✔✔A
The term 'simultaneous ballasting or deballasting'
means?
a. The vessel is transferring ballast from one ballast tank to
another
b. The vessel is taking on or pumping off ballast in more
than one tank at a time
c. The vessel is transferring ballast while cargo is being
pumped
d. The Chief Officer has been authorized to pump ballast
ashore - correct answer ✔✔C
Once sea valves are sealed by an independent
inspector, the vessel staff should not operate those
valves during custody transfer without consulting
with the inspector.
a. True
b. False - correct answer ✔✔B
Why is measurement of free water on board marine
vessels important?
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