4/18/25, 12:57 AM NGWA General Drilling Exam
NGWA General Drilling Exam | Explore New
51 Questions and Answers | 2025 Update |
100% Correct.
Correct 51
Incorrect
NGWA General Drilling Exam
51 Correct terms
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Questions and answers
Term
How many galloons are in a cubic foot?
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8.00 9.00
7.48 6.50
,4/18/25, 12:57 AM NGWA General Drilling Exam
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2 of 51
Term
A water system operating at 40% to 60% pressure setting indicates...
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... the pump is malfunctioning and ... the pump starts at 40 and
needs repair. will shut off at 60.
... the system is operating at ... the pressure is too low for
maximum efficiency. effective operation.
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3 of 51
Term
Water system pressure is expressed in?
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GPM MPA
, 4/18/25, 12:57 AM NGWA General Drilling Exam
PSI KPA
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4 of 51
Term
Well drilled using guar gums and several polymers can achieve
better development by using ________ mixes in the development water.
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Aluminum sulfate or sodium Iron oxide or copper sulfate.
bicarbonate.
Potassium chloride or magnesium Sodium or calcium
sulfate. hypochlorite.
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5 of 51
Term
The diameter of a screen is not a critical factor in the specific
capacity. Double the diameter of a screen generally increases the
specific capacity by what percent?
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NGWA General Drilling Exam | Explore New
51 Questions and Answers | 2025 Update |
100% Correct.
Correct 51
Incorrect
NGWA General Drilling Exam
51 Correct terms
Take a new test
Take another test to boost
your confidence.
Questions and answers
Term
How many galloons are in a cubic foot?
Give this one a go later!
8.00 9.00
7.48 6.50
,4/18/25, 12:57 AM NGWA General Drilling Exam
Don't know?
2 of 51
Term
A water system operating at 40% to 60% pressure setting indicates...
Give this one a go later!
... the pump is malfunctioning and ... the pump starts at 40 and
needs repair. will shut off at 60.
... the system is operating at ... the pressure is too low for
maximum efficiency. effective operation.
Don't know?
3 of 51
Term
Water system pressure is expressed in?
Give this one a go later!
GPM MPA
, 4/18/25, 12:57 AM NGWA General Drilling Exam
PSI KPA
Don't know?
4 of 51
Term
Well drilled using guar gums and several polymers can achieve
better development by using ________ mixes in the development water.
Give this one a go later!
Aluminum sulfate or sodium Iron oxide or copper sulfate.
bicarbonate.
Potassium chloride or magnesium Sodium or calcium
sulfate. hypochlorite.
Don't know?
5 of 51
Term
The diameter of a screen is not a critical factor in the specific
capacity. Double the diameter of a screen generally increases the
specific capacity by what percent?
Give this one a go later!
