2026 WATER DISTRIBUTION OPERATOR
TEST D1 - D2 NEWEST EXAM
QUESTIONS AND DETAILED CORRECT
ANSWERS | A+ GRADE VERIFIED
ANSWERS
A connection made in to a main that is full or under
pressure is called a Correct Answer Wet tap
Shoring is normally required for trenches of that minimum
depth Correct Answer 5 feet
Standard first aid procedures direct that the first step to
control bleeding is to Correct Answer Apply pressure
directly to the wound
First aid for a first degree burn is to Correct Answer
Submerge the burned area in cold water
Chlorine leak can be detected by Correct Answer Applying
ammonia vapor
Red water problems are due primarily to Correct Answer
Iron
, Portable water is defined as Correct Answer Any whater
that according to recognized standards is safe for
consumption
When testing a distribution system for chlorine samples
residuals , you shoul Correct Answer Test samples from
several points
A normally burried valve located on a street water main
and leading to water service is known as Correct Answer
Corporation Stop
A new water main should be flushed disinfected at 50mg/L
and held at above 25mg/L for at least Correct Answer 24
hours
What percent of all the earths water is readily available as
potential drinking water in the form
Of lakes, rivers, and ground water? Correct Answer 0.34
What gass kills the sense of smell Correct Answer
Hydrogen sulfide
Pipe with a "C" factor of 140 is regarded as having an
Correct Answer Extremely smooth interior
Pumps are primed to Correct Answer Replace air inside
the pump with water
TEST D1 - D2 NEWEST EXAM
QUESTIONS AND DETAILED CORRECT
ANSWERS | A+ GRADE VERIFIED
ANSWERS
A connection made in to a main that is full or under
pressure is called a Correct Answer Wet tap
Shoring is normally required for trenches of that minimum
depth Correct Answer 5 feet
Standard first aid procedures direct that the first step to
control bleeding is to Correct Answer Apply pressure
directly to the wound
First aid for a first degree burn is to Correct Answer
Submerge the burned area in cold water
Chlorine leak can be detected by Correct Answer Applying
ammonia vapor
Red water problems are due primarily to Correct Answer
Iron
, Portable water is defined as Correct Answer Any whater
that according to recognized standards is safe for
consumption
When testing a distribution system for chlorine samples
residuals , you shoul Correct Answer Test samples from
several points
A normally burried valve located on a street water main
and leading to water service is known as Correct Answer
Corporation Stop
A new water main should be flushed disinfected at 50mg/L
and held at above 25mg/L for at least Correct Answer 24
hours
What percent of all the earths water is readily available as
potential drinking water in the form
Of lakes, rivers, and ground water? Correct Answer 0.34
What gass kills the sense of smell Correct Answer
Hydrogen sulfide
Pipe with a "C" factor of 140 is regarded as having an
Correct Answer Extremely smooth interior
Pumps are primed to Correct Answer Replace air inside
the pump with water
