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NGWA GENERAL DRILLING EXAM 2025|
BRAND NEW ACTUAL EXAM WITH 100%
VERIFIED QUESTIONS AND CORRECT
SOLUTIONS| GUARANTEED VALUE PACK|
ACE YOUR GRADES.
1. Pressure grouting requires that the grout must be... - correct
answer - ... under sufficient pressure to drive it into the zone to
be grouted.
2. When only 40' of cement is required to grout the surface
casing, one can achieve a good seal by... - correct answer - ...
placing from the bottom up using a tremie grout pipe.
3. (T/F) State or federal laws dictate the minimum length of grout
required for various casing diameters for certain types of wells.
- correct answer - True.
4. (T/F) The size of annular space required for grouting depends
on how the well was drilled. - correct answer - True.
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5. Which of the following materials is the most aaccepteable
material to use for grouting and/or hole abandonment? - correct
answer - Neat cement.
6. (T/F) A well which is finished completely underground, for
example a pitless adaptor, does not need a sanitary surface
seal. - correct answer - False.
7. A water system operating at 40% to 60% pressure setting
indicates... - correct answer - ... the pump starts at 40 and will
shut off at 60.
8. One gallon of water weighs how many pounds? - correct
answer - 8.34
9. Your well is 6" diameter, 150' deep, and has swl of 50'. How
many gallons of water are within this well column of water at
the very bottom of this well? - correct answer - 150 gal.
NGWA GENERAL DRILLING EXAM 2025|
BRAND NEW ACTUAL EXAM WITH 100%
VERIFIED QUESTIONS AND CORRECT
SOLUTIONS| GUARANTEED VALUE PACK|
ACE YOUR GRADES.
1. Pressure grouting requires that the grout must be... - correct
answer - ... under sufficient pressure to drive it into the zone to
be grouted.
2. When only 40' of cement is required to grout the surface
casing, one can achieve a good seal by... - correct answer - ...
placing from the bottom up using a tremie grout pipe.
3. (T/F) State or federal laws dictate the minimum length of grout
required for various casing diameters for certain types of wells.
- correct answer - True.
4. (T/F) The size of annular space required for grouting depends
on how the well was drilled. - correct answer - True.
, Page | 2
5. Which of the following materials is the most aaccepteable
material to use for grouting and/or hole abandonment? - correct
answer - Neat cement.
6. (T/F) A well which is finished completely underground, for
example a pitless adaptor, does not need a sanitary surface
seal. - correct answer - False.
7. A water system operating at 40% to 60% pressure setting
indicates... - correct answer - ... the pump starts at 40 and will
shut off at 60.
8. One gallon of water weighs how many pounds? - correct
answer - 8.34
9. Your well is 6" diameter, 150' deep, and has swl of 50'. How
many gallons of water are within this well column of water at
the very bottom of this well? - correct answer - 150 gal.
