IFIA Petroleum Inspector Certification
Programmed Test Questions with
correct answers
Which industry documents describe the procedures for manual sampling of petroleum and petroleum
products? - correct answer ✔✔IP 475 / API MPMS Chapter 8.1 / ISO 3170
Which of the following types of sample container should be used to obtain an initial first foot sample? -
correct answer ✔✔Clear glass bottles
Which of the following types of container closure devices should not be used with glass bottles? - correct
answer ✔✔Rubber stoppers
Which product requires particular care when selecting a sample container? - correct answer ✔✔Jet fuel
Which documents contain guidance for selecting sample containers? - correct answer ✔✔API MPMS
Chapter 8.3 / EI HM 92
When sampling volatile liquids, why is it generally better to use a sampling cage and bottle and not a
weighted sampling can/beaker? - correct answer ✔✔Loss of light ends is likely when the sample is
transferred from the can/beaker
When should a free water sample be taken ? - correct answer ✔✔Whenever there is a sufficient
quantity to sample
Before sampling oil in a tank, it is necessary to locate the oil/water interface. - correct answer ✔✔True
How is an all-levels sample obtained? - correct answer ✔✔By submerging a stoppered sampler to a
point as near as possible to the draw-off outlet (suction) level, then opening the sampler and raising it at
a rate such that it is no more than 85% full as it emerges from the liquid
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