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1. Which type of cable lay is less likely to kink and easier to handle?
A. Lang Lay
B. Regular Lay
C. Cross Lay
D. Spiral Lay
2. Which type of cable lay provides increased resistance to abrasion?
A. Regular Lay
B. Lang Lay
C. Reverse Lay
D. Straight Lay
3. In fluid systems, backpressure is found ________, and backsiphon occurs
________.
A. Upstream; Downstream
B. Downstream; Upstream
C. Across the valve; Below the valve
D. Downhill; Uphill
4. What device is used to prevent water from flowing back into a main?
A. Check valve
B. Pressure regulator
C. Backflow preventer
D. Relief valve
, 5. Rebar placement is typically spaced at what multiple of the slab thickness?
A. 2×
B. 3×
C. 4×
D. 6×
6. What material is used to slow water velocity and improve flow control?
A. Filter fabric
B. Rip Rap
C. Gravel bed
D. Concrete apron
7. Ductile iron is also referred to as:
A. Galvanized steel
B. Cast iron
C. Forged steel
D. Composite alloy
8. Before excavating, what should be done regarding unmarked utilities?
A. Start digging carefully
B. Contact the notification center for marking
C. Ask nearby property owners
D. Use metal detectors
9. What is the minimum compacted soil cover required around a
communication line?
A. 6 inches
B. 8 inches
C. 10 inches
D. 12 inches
10.What is the minimum trench width required for a 24-inch pipe installation?
A. 36 inches
B. 42 inches