NGWA General Drilling Exam Review Guide 2026 questions with answers

NGWA General Drilling Exam Review |\ |\ |\ |\ |\




Guide 2026 questions with answers |\ |\ |\ |\




Artesian Pressure - CORRECT ANSWERS ✔✔Pressure from
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confined groundwater due to gravity.
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Sandstones - CORRECT ANSWERS ✔✔Rocks formed from ancient
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sand deposits.
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Limestones - CORRECT ANSWERS ✔✔Rocks containing fossils
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from shallow seas.
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Shales - CORRECT ANSWERS ✔✔Rocks formed from ancient clay
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beds.


Sedimentary Formations - CORRECT ANSWERS ✔✔Rock layers
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that can exceed one mile deep.
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Chain and Drive Shaft Guards - CORRECT ANSWERS ✔✔Safety
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devices that must remain in place.
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, Drilling Fluid Functions - CORRECT ANSWERS ✔✔Cool bits,
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remove cuttings, stabilize holes.
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Preventative Maintenance Program - CORRECT ANSWERS
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✔✔Enhances operators' understanding of equipment. |\ |\ |\ |\




Drilling Rig Fueling - CORRECT ANSWERS ✔✔Should occur each
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morning before drilling. |\ |\




Engine Start Protocol - CORRECT ANSWERS ✔✔Engines must be
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neutral and clutches disengaged.
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Drilling Mud Design - CORRECT ANSWERS ✔✔Tailored for
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specific well conditions.
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Wire Rope Wear Causes - CORRECT ANSWERS ✔✔Overloading,
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jerking, and kinking damage ropes.
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Large Column Screen Well - CORRECT ANSWERS ✔✔Requires
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sample analysis for proper construction.
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Pipe Diameter Increase - CORRECT ANSWERS ✔✔Allows larger
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pumping equipment for better yield.
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