NGWA GENERAL DRILLING EXAM QUESTIONS & ANSWERS 2026… EXAM
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
NGWA General Drilling
Exam Questions &
Answers 2026-2027 |
Updated Study Guide
Verified Answers Exam Ready With Rationales
51 QUESTIONS
DOCUMENT OVERVIEW
This document provides 51 verified exam questions along with their correct answers,
ensuring a comprehensive review of essential concepts in groundwater and drilling
practices. It serves as a valuable resource for mastering the subject area of drilling and
aquifer management. Students can utilize this guide for effective study, review, and
preparation for certification exams in the field.
CONTENTS
Groundwater Basics Q1–Q11
Geology and Rock Types Q12–Q19
Rig Setup and Maintenance Q20–Q26
Well Construction and Grouting Q27–Q34
Drilling Techniques Q35–Q43
Page 1
, Water System Calculations Q44–Q51
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 51
Artesian Pressure is generally...
CORRECT ANSWER
... a result of gravity and confining beds.
Q2 QUESTION 2 OF 51
(T/F) Ground water, like surface water, has a tendency to flow downhill.
CORRECT ANSWER
True.
Q3 QUESTION 3 OF 51
(T/F) More than 90% of our nation's fresh water is underground?
CORRECT ANSWER
True.
Q4 QUESTION 4 OF 51
Prior to setting the rig, you should...
Page 2
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
NGWA General Drilling
Exam Questions &
Answers 2026-2027 |
Updated Study Guide
Verified Answers Exam Ready With Rationales
51 QUESTIONS
DOCUMENT OVERVIEW
This document provides 51 verified exam questions along with their correct answers,
ensuring a comprehensive review of essential concepts in groundwater and drilling
practices. It serves as a valuable resource for mastering the subject area of drilling and
aquifer management. Students can utilize this guide for effective study, review, and
preparation for certification exams in the field.
CONTENTS
Groundwater Basics Q1–Q11
Geology and Rock Types Q12–Q19
Rig Setup and Maintenance Q20–Q26
Well Construction and Grouting Q27–Q34
Drilling Techniques Q35–Q43
Page 1
, Water System Calculations Q44–Q51
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 51
Artesian Pressure is generally...
CORRECT ANSWER
... a result of gravity and confining beds.
Q2 QUESTION 2 OF 51
(T/F) Ground water, like surface water, has a tendency to flow downhill.
CORRECT ANSWER
True.
Q3 QUESTION 3 OF 51
(T/F) More than 90% of our nation's fresh water is underground?
CORRECT ANSWER
True.
Q4 QUESTION 4 OF 51
Prior to setting the rig, you should...
Page 2
