NGWA GENERAL DRILLING EXAM : STUDY
QUESTIONS AND REVIEW GUIDE EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
Drill rig or pump hoist engines should not be started unless... -
ANSWERS-... clutches are disengaged and gears are in neutral.
Drilling mud should... - ANSWERS-... be specially designed to meet
the specific conditions for each well.
What is/are the main cause(s) of wear and breakage on wire rope? -
ANSWERS-Overloading, violent jerking, and kinking.
To properly construct a large column screen well, one should take
one of the following steps. - ANSWERS-Sample analysis.
, The three main types of rock are... - ANSWERS-... igneous,
sedimentary, and metamorphic.
Water would be least likely found in what geological formation? -
ANSWERS-Granite.
(T/F) More than 90% of our nation's fresh water is underground? -
ANSWERS-True.
Prior to setting the rig, you should... - ANSWERS-1. Make sure there
are no overhead power lines within at least 20' of the mast.
2. Locate all buried materials.
3. Verify you are on the right property and meet the correct setback
requirements.
Confined space entry rules require... - ANSWERS-1. Shoring of
trench walls over 4' deep.
2. Establishment of buddy system.
3. Have driller's assistant check jacks as operator levels rig.
Artesian Pressure is generally... - ANSWERS-... a result of gravity and
confining beds.
QUESTIONS AND REVIEW GUIDE EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
Drill rig or pump hoist engines should not be started unless... -
ANSWERS-... clutches are disengaged and gears are in neutral.
Drilling mud should... - ANSWERS-... be specially designed to meet
the specific conditions for each well.
What is/are the main cause(s) of wear and breakage on wire rope? -
ANSWERS-Overloading, violent jerking, and kinking.
To properly construct a large column screen well, one should take
one of the following steps. - ANSWERS-Sample analysis.
, The three main types of rock are... - ANSWERS-... igneous,
sedimentary, and metamorphic.
Water would be least likely found in what geological formation? -
ANSWERS-Granite.
(T/F) More than 90% of our nation's fresh water is underground? -
ANSWERS-True.
Prior to setting the rig, you should... - ANSWERS-1. Make sure there
are no overhead power lines within at least 20' of the mast.
2. Locate all buried materials.
3. Verify you are on the right property and meet the correct setback
requirements.
Confined space entry rules require... - ANSWERS-1. Shoring of
trench walls over 4' deep.
2. Establishment of buddy system.
3. Have driller's assistant check jacks as operator levels rig.
Artesian Pressure is generally... - ANSWERS-... a result of gravity and
confining beds.
