True/False Indicate whether the statement is
true or false.
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1.
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Underground cables are pulled in conduit that is buried underground.
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2.
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“Dig Once” refers to the construction method where only one conduit
is buried in each trench.
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3.
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Direct -buried cable should be armored to prevent crushing loads and rodent
penetration.
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4.
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Armored cable with metallic armor must be grounded and bonded for safety.
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5.
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Robots have been used to install fiber optic cables in sewers and other
underground pipes.
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Multiple Choice Identify the choice that best
completes the statement or answers the question.
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6.
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If the conduit and cables are all dielectric, a __________ should be buried
above the conduit to warn anyone digging in the vicinity of the cable and assist in future cable
location.
a. | Bright colored nylon rope | b. | Paving stones | c. | Sand | d. | Conductive marking
tape |
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7.
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The most common cause of failure of underground cable systems is
________.
a. | Water ingress | b. | Lightning | c. | Dig ups or
“backhoe fade” | d. | Bad splices |
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8.
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Underground conduit is generally buried _________ under the surface of the
ground.
a. | 1 to 1.2 meter | b. | 0.5 meter | c. | 2
meters | d. | Only enough to cover with soil |
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9.
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The preferred method of burying conduit on road or sidewalk crossing is
_______.
a. | Sawing road sections out which can be replaced | b. | Directional drilling
or boring | c. | Microtrenching | d. | Digging with a large
backhoe |
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Multiple Response Identify one or more choices
that best complete the statement or answer the question.
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10.
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No excavation work should begin until ________.
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