NGWA Augering & Monitoring Well EXAM
COMPLETE NEWEST QUESTIONS AND
VERIFIED SOLUTIONS LATEST UPDATE
THIS YEAR
QUESTION: What is the minimum size hollow-stem auger, casing, or borehole used for
installation of a typical 2-inch well? - ANSWER-4.25 in.
QUESTION: The best drilling method to use in a highly toxic contaminated limestone formation
that would produce the least fluid management would be? - ANSWER-Cable tool
Q; The primary item which dictates the type of drilling equipment to be used on a site is... -
ANSWER-... geology.
QUESTION: The commonly used hollow-stem auger system for monitoring well installations... -
ANSWER-... should include an auger head than can be machined to accent a plate that
facilitates well installation below the ground water level.
QUESTION: Which is NOT a component of a monitoring well rig? - ANSWER-Mud pump.
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QUESTION: Monitoring wells are commonly installed... - ANSWER-... downgradient of a landfill
to determine ground water contamination.
QUESTION: Which of the following is not an impermeable material? - ANSWER-Sand
QUESTION: Due to the advanced technology, today's monitoring equipment and material... -
ANSWER-...
QUESTION: Glacial drift is defined as... - ANSWER-Unconsolidated sediment transported by
glaciers and disposed and deposited directly on land or sea.
QUESTION: What type of material(s) is(are) typically on monitor wells for a seal above the filter
packs? - ANSWER-Bentonite pellets.
QUESTION: The most efficient method of drilling a bedrock monitoring well would be... -
ANSWER-... air rotary with a down-hole hammer.
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