Free C-57 Practice Quiz: Take our 2019 exam, see where you stand! - California.USTradeTest.com

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

Cathead

Draw works

Hoisting clutch

Pinion gear

Correct! Wrong!

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

Ag production

Inclinometer

Monitoring

Piezometer

Correct! Wrong!

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

Pumping level

Static water level

Well depth

Well diameter

Correct! Wrong!

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?

23.76

25.85

89.34

113.10

Correct! Wrong!

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

Electrical over telephone conduit with a concrete barrier and 4” between them.

Electrical over telephone conduit with a separation of at least 12” in between.

Telephone over electrical conduit secured together every 12”

Telephone over electrical conduit with a separation of at least 12” in between.

Correct! Wrong!

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

All wide spots and bell holes are cut square before paving.

Paving is reinstalled one inch thicker than what was removed.

The paving is cut outside the ditch line by a few inches.

The trench is base-paved and capped later.

Correct! Wrong!

How do you obtain a drillers log?

Drillers logs are confidential.

Logs can be given to licensed drillers only.

Owners of wells are required to give out boring logs when requested.

Purchase them online from the EPA.

Correct! Wrong!

How do you keep a well from becoming contaminated?

Build a floor around the wellhead.

Build a shed on top of the wellhead.

Install a pitless adapter.

Use a steel casing.

Correct! Wrong!

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

10 awg

12 awg

14 awg

16 awg

Correct! Wrong!

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

30 ft

50 ft

70 ft

90 ft

Correct! Wrong!

Free C-57 Practice Quiz: Take our 2019 exam, see where you stand!

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