Free C57 Well Drilling Exam

Welcome to your free C-57 Well Drilling Exam

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1. 
Which of the following components lowers and hoists drilling tools in and out of the well?

2. 
Which of the following types of well would use Teflon well casing?

3. 
When sizing a pump to system requirements, which of the following conditions will directly impact the pump horsepower rating?

4. 
In a new well with a borehole diameter of 12” and a well casing diameter of 5-1/2” at 500‘ deep, how many cubic feet would be in the annular space?

5. 
What method should be used to install electrical and telephone conduit in the same trench?

6. 
When replacing pavement over a trench, what is meant by “overcutting”?

7. 
How do you obtain a drillers log?

8. 
How do you keep a well from becoming contaminated?

9. 
What is the minimum wire size you should use to connect a 1 hp pump located 100 ft away from the power source?

10. 
To what minimum depth must a municipal water supply be sealed?