| Exam ID: U8 |
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- 60 multiple-choice questions
- 1½-hour limit
- Closed book
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| Sample Examination Questions: The
sample questions are provided to give you an idea of the
style and format of examination questions. The questions
are not intended to represent content, references or questions
that will be on the examination. They are not intended
nor should they be referenced/used as a study tool for
the examination. |
| 1. |
In the process of closing an underground
storage tank system by removal, the pipe and tank must
be visibly inspected for: Click for Answer
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A. |
a fuel return line. |
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B. |
indications of failure. |
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C. |
manufacturer's labels. |
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D. |
resale and reuse potential. |
| 2. |
Which one of the following methods is not
an approved method of purging or inerting an underground
tank containing flammable vapors? Click for Answer
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A. |
Suction using a vac-truck |
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B. |
Displacement using dry ice |
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C. |
Ventilation using a diffused air blower |
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D. |
Ventilation using an eductor-type air mover |
| 3. |
The minimum temperature at which a substance
produces sufficient flammable vapors to ignite when an
ignition source is present is called the _____. Click for Answer
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A. |
fire point |
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B. |
flash point |
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C. |
ignition temperature |
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D. |
lower flammable limit |
| 4. |
When taking soil samples from an apparently
clean, dry tank pit, samples are required to be taken
from the: Click for Answer
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A. |
native materials in the walls of the tank
pit. |
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B. |
backfill materials removed from the tank
pit. |
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C. |
native materials beneath the former location
of the tank. |
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D. |
native materials removed from the pit during
cleanup activities. |
| 5. |
In the risk-based cleanup method, the upper
confidence level of the mean concentration refers to:
Click for Answer
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A. |
a site specific risk-based concentration. |
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B. |
the upper level at which petroleum hydrocarbons
will ignite. |
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C. |
a statistical evaluation using sample data
to determine compliance. |
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D. |
a test method to determine the rate of
degradation of petroleum hydrocarbons. |
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