Water Well Drilling 101 for General Exam
Solved 100% Correct
1 cubic ft of water equals _______Gallons - ANSWER-7.48 Gal (one less then 8 the
weight)
1 Gallon of water weighs _____LBS? - ANSWER-8.34LBS (rhyme weight is eight)
6" well holds_____ Gallons of water per foot - ANSWER-1.5 Gal per Ft
90% of USA's freshwater is? - ANSWER-Groundwater
All wells need? - ANSWER-Sanitary Surface Seals
Aquifer Development - ANSWER-CAN INCREASE WELL YEILD
Artesian Well - ANSWER-Artesian pressure is the result of gravity and the confining
Aquifer
Artesian Well Layers - ANSWER-CONFINING Layer (top)
CONFINED AQUIFER (middle)
IMPERMEABLE Layer (bottom)
Blocking - ANSWER-Provides more even weight distribution
Confined Space - ANSWER-A space NOT DESIGNED FOR CONTINUOUS HUMAN
OCCUPANCY,
LIMITED MEANS OF ENTRY OR EXIT,
LARGE ENOUGH TO PERFORM WORK
Confined space examples - ANSWER-vaults, tanks, crawl spaces, diked areas,
trenches, enclosed rooms, manholes, ducts, ect.
Electrical Safety - ANSWER-LOCKOUT/ TAGOUT PROCEDURE
CONNECT GROUNDING WIRE TO CASING
GROUND ALL SUBMERSIBLE PUMPS
Electrocution - ANSWER-Consider all electric lines to be alive and dangerous,
NATION RECOMMENDED CLEARANCE IS 20 FEET
(hop two feet together or shuffle to get away)
Excavations - ANSWER-Osha requirements are for excavation and trenches 4 feet or
more in depth
Most Deaths occur in trenches 4-14feet deep
Solved 100% Correct
1 cubic ft of water equals _______Gallons - ANSWER-7.48 Gal (one less then 8 the
weight)
1 Gallon of water weighs _____LBS? - ANSWER-8.34LBS (rhyme weight is eight)
6" well holds_____ Gallons of water per foot - ANSWER-1.5 Gal per Ft
90% of USA's freshwater is? - ANSWER-Groundwater
All wells need? - ANSWER-Sanitary Surface Seals
Aquifer Development - ANSWER-CAN INCREASE WELL YEILD
Artesian Well - ANSWER-Artesian pressure is the result of gravity and the confining
Aquifer
Artesian Well Layers - ANSWER-CONFINING Layer (top)
CONFINED AQUIFER (middle)
IMPERMEABLE Layer (bottom)
Blocking - ANSWER-Provides more even weight distribution
Confined Space - ANSWER-A space NOT DESIGNED FOR CONTINUOUS HUMAN
OCCUPANCY,
LIMITED MEANS OF ENTRY OR EXIT,
LARGE ENOUGH TO PERFORM WORK
Confined space examples - ANSWER-vaults, tanks, crawl spaces, diked areas,
trenches, enclosed rooms, manholes, ducts, ect.
Electrical Safety - ANSWER-LOCKOUT/ TAGOUT PROCEDURE
CONNECT GROUNDING WIRE TO CASING
GROUND ALL SUBMERSIBLE PUMPS
Electrocution - ANSWER-Consider all electric lines to be alive and dangerous,
NATION RECOMMENDED CLEARANCE IS 20 FEET
(hop two feet together or shuffle to get away)
Excavations - ANSWER-Osha requirements are for excavation and trenches 4 feet or
more in depth
Most Deaths occur in trenches 4-14feet deep