Virginia Heavy Highway Batch 1 EXAM QUESTIONS WITH ANSWERS

Virginia Heavy Highway Batch 1 EXAM |\ |\ |\ |\ |\ |\




QUESTIONS WITH ANSWERS |\ |\




What lay of cable is less likely to kink and is easier to handle -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔Regular Lay |\ |\ |\




What lay of cable has increased resistance to abrasion -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔Lang lay |\ |\ |\




________ is down stream and _________ is upstream - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔Backpressure is down stream and backsiphon is
|\ |\ |\ |\ |\ |\ |\ |\


upstream


What is used to prevent water from flowing back into a main -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔Backflow preventer |\ |\ |\




Rebar placement is typically what multiple of the thickness -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔3 |\ |\




This is used to slow the water speed and improve control -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔Rip Rap |\ |\ |\




Ductile Iron is also referred to as - CORRECT ANSWERS ✔✔Cast
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\

, Before excavating, what should be done about the unmarked
|\ |\ |\ |\ |\ |\ |\ |\ |\


utilities? - CORRECT ANSWERS ✔✔Contact notification center,
|\ |\ |\ |\ |\ |\ |\


marking by color, then dig |\ |\ |\ |\




What is the minimum compacted soil around a communication
|\ |\ |\ |\ |\ |\ |\ |\ |\


line - CORRECT ANSWERS ✔✔12"
|\ |\ |\ |\




What is the minimum space utilized (width) of a 24" pipe in a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


ground - CORRECT ANSWERS ✔✔12" + 24" + 12" = 48"
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\




What is the minimum required burial distance from the top of a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


rail to an underground conduit system? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\


✔✔5.5 feet |\




What is the minimum dimension of a circular manhole? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔26" |\ |\




What is the minimum size of a rectangular manhole lid? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔26"xwhatever |\ |\




What is the clearance between a 7500 volt phase to phase cable
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


and a communication cable in a joint uplift manhole? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔6 inches |\ |\




What ASTM standard is used for piping, pipe fitting and tubing of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


a low-pressure storage tank - CORRECT ANSWERS ✔✔ASTM A333
|\ |\ |\ |\ |\ |\ |\ |\