EXAM 1| QUESTIONS AND ANSWERS | VERIFIED AND WELL
DETAILED ANSWERS | EXAM ALREADY GRADED A+ | LATEST EXAM
UPDATE
During installation of traffic loops in the pavement, which three statements apply
prior to and during the installation of loop wire? (Choose 3).
a) Do not allow vehicular traffic over an open saw cut.
b) Do not overlap saw cuts at the corner.
c) Thoroughly clean the saw cut of foreign material.
d) Use a plastic sleeve where loop wire crosses a joint. - CORRECT ANSWER -
a) Do not allow vehicular traffic over an open saw cut.
c) Thoroughly clean the saw cut of foreign material.
d) Use a plastic sleeve where loop wire crosses a joint.
The contractor is installing a culvert with a 12-inch reinforced concrete pipe (
outside diameter of 16.50 inches) from Sta 10+00, 40 feet Left to STA 10+00, 65
feet Right on 4-inch bedding material. The 12-inch RCP outlet is to be installed at
Sta 10+00, 40 feet Left at an invert elevation of 652.50.
If the conduit is installed at a 1.40% slope, what is the elevation of the foundation
grade at Sta 10+00, 45 feet Right?
a) 652.04
b) 653.17
,c) 653.36
d) 653.50 - CORRECT ANSWER - ?
On the reservoir side of a dam, erosion protection against wave action should
extend up the slope to at least which level?
a) crest of dam
b) maximum water elevation
c) minimum water elevation
d) two-thirds the height of the dam - CORRECT ANSWER - b) maximum water
elevation
During stage construction while installing drainage, the contractor must complete
which two of the following tasks? (Choose two).
a) Bulk head the pipe until the system is complete.
b) Complete the entire system before it rains.
c) Maintain the existing drainage system until the new system is functional.
d) Provide temporary connections as needed to maintain the existing system. -
CORRECT ANSWER - c) Maintain the existing drainage system until the new
system is functional.
d) Provide temporary connections as needed to maintain the existing system.
After flushing but before connecting a new main to the existing system, what test
does an inspector need to verify before placing the main into service?
,a) bacteriological testing
b) cover testing
c) deflection testing
d) pressure testing - CORRECT ANSWER - d) pressure testing
Which three types of inspections are completed for sign structures? (Choose three).
a) final inspection
b) interim inspection
c) initial inspection
d) routine inspection - CORRECT ANSWER - b) interim inspection
c) initial inspection
d) routine inspection
How many times per foot should loop lead-in wires be twisted?
a) 3 turns per foot
b) 5 turns per foot
c) 6 turns per foot
d) 7 turns per foot - CORRECT ANSWER - b) 5 turns per foot
Which phrase is true of test reports required for concrete sidewalks, asphalt
pavement, concrete curb, and pipe culverts for rest areas?
a) 50% required on roadway contracts
, b) required for federal-aid projects only
c) same as roadway contracts
d) submitted in duplicate - CORRECT ANSWER - ?
According to FP-14, when removing existing concrete structure in the roadbed,
how many inches below the subgrade elevation should the existing structure be
removed to?
a) 12 inches
b) 24 inches
c) 30 inches
d) 36 inches - CORRECT ANSWER - d) 36 inches
What does a white disk on the fire hydrant represent?
a) fire hydrant out of service
b) low pressure hydrant
c) wrong fire hydrant is in service
d) wrong high pressure hydrant - CORRECT ANSWER - a) fire hydrant out of
service
What is the purpose of police units in regards to work zone traffic control?
a) Ease of setting up traffic sobriety checkpoints.
b) Give the workers the feeling of security.