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NGWA - STUDY QUESTIONS - GENERAL
DRILLING EXAM 2025 UPDATED ACTUAL
EXAM WITH CORRECT SOLUTIONS.
Artesian Pressure is generally... - correct answer- ... a result of
gravity and confining beds.
What is true about the origin of rocks? - correct answer- 1.
Sandstones were once sand deposits and could have been
river sand, beach sands, or dune sands.
2. Some limestones contain fossils because they were once the
mucky bottoms of shallow seas.
3. Shales were once clay beds.
Sedimentary formations may reach depths of a mile or more.
(T/F) Ground water, like surface water, has a tendency to flow
downhill. - correct answer- True.
The three main types of rock are... - correct answer- ... igneous,
sedimentary, and metamorphic.
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Water would be least likely found in what geological formation?
- correct answer- Granite.
(T/F) More than 90% of our nation's fresh water is
underground? - correct answer- True.
Prior to setting the rig, you should... - correct answer- 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... - correct answer- 1.
Shoring of trench walls over 4' deep.
2. Establishment of buddy system.
3. Have driller's assistant check jacks as operator levels rig.
In setting up and leveling the rig, the right procedure is to... -
correct answer- 1. Use suitable jack pads for stabilization.
2. Position rig for minimum leveling.
3. Have driller's assistant check jacks as operator levels rig.
NGWA - STUDY QUESTIONS - GENERAL
DRILLING EXAM 2025 UPDATED ACTUAL
EXAM WITH CORRECT SOLUTIONS.
Artesian Pressure is generally... - correct answer- ... a result of
gravity and confining beds.
What is true about the origin of rocks? - correct answer- 1.
Sandstones were once sand deposits and could have been
river sand, beach sands, or dune sands.
2. Some limestones contain fossils because they were once the
mucky bottoms of shallow seas.
3. Shales were once clay beds.
Sedimentary formations may reach depths of a mile or more.
(T/F) Ground water, like surface water, has a tendency to flow
downhill. - correct answer- True.
The three main types of rock are... - correct answer- ... igneous,
sedimentary, and metamorphic.
, 2 | Page
Water would be least likely found in what geological formation?
- correct answer- Granite.
(T/F) More than 90% of our nation's fresh water is
underground? - correct answer- True.
Prior to setting the rig, you should... - correct answer- 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... - correct answer- 1.
Shoring of trench walls over 4' deep.
2. Establishment of buddy system.
3. Have driller's assistant check jacks as operator levels rig.
In setting up and leveling the rig, the right procedure is to... -
correct answer- 1. Use suitable jack pads for stabilization.
2. Position rig for minimum leveling.
3. Have driller's assistant check jacks as operator levels rig.
