FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2

Measurements within an accuracy of plus or minus one inch must be recorded when using the Pump Method

True

False

What two types of sand are recommended to be used for backfilling a hole to prevent slurry from penetrating more than 2-3 inches?

Plaster sand

Mortar sand

Play sand

Both A & B

When using the Pump Method for testing yield on a well how often should measurements be taken on water levels:

1 minute or less

5 minutes or less

10 minutes or less

None of the above

Why is the “sand lock” method considered a good way to remove a well screen

It is an old method

Soil mechanics has demonstrated that clean sand can resist high stress

Most reliable for transmitting pulling force to the well screen

Both B & C

What are two differences in drilling into soft formation versus rock?

Pipe or casing must follow the drill bit closely

Casing has to be driven

The drilling effect of the bit is a loosening/mixing action

All of the above

WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2