NGWA(National Ground Water Association) General Drilling Exam
Exam Coverage
Exam coverage for the NGWA - General Drilling Exam Study
Questions includes foundational groundwater and drilling industry
knowledge aligned with standards from the National Ground Water
Association (NGWA). It focuses on drilling methods (rotary, cable tool,
and direct push), well construction principles, casing and screen
installation, drilling fluids, and site preparation. The exam also
evaluates understanding of geology basics, groundwater flow, safety
practices, equipment operation, and contamination prevention.
Emphasis is placed on safe drilling operations, proper well
construction techniques, environmental protection, troubleshooting
,field conditions, and applying industry best practices for groundwater
development and maintenance. 💧🛠️📘
What is true about the origin of rocks?
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.
True.
Artesian Pressure is generally...
... a result of gravity and confining beds.
The three main types of rock are...
... igneous, sedimentary, and metamorphic.
NGWA(National Ground Water Association) General Drilling Exam
Exam Coverage
Exam coverage for the NGWA - General Drilling Exam Study
Questions includes foundational groundwater and drilling industry
knowledge aligned with standards from the National Ground Water
Association (NGWA). It focuses on drilling methods (rotary, cable tool,
and direct push), well construction principles, casing and screen
installation, drilling fluids, and site preparation. The exam also
evaluates understanding of geology basics, groundwater flow, safety
practices, equipment operation, and contamination prevention.
Emphasis is placed on safe drilling operations, proper well
construction techniques, environmental protection, troubleshooting
,field conditions, and applying industry best practices for groundwater
development and maintenance. 💧🛠️📘
What is true about the origin of rocks?
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.
True.
Artesian Pressure is generally...
... a result of gravity and confining beds.
The three main types of rock are...
... igneous, sedimentary, and metamorphic.
