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NICET HIGHWAY CONSTRUCTION
INSPECTOR LEVEL III EXAM
What is the definition of bridge preservation? a) Work that is done during winter months to prevent bridges to freeze. b) Work that is done to prevent, delay, or reduce deterioration of bridges or bridge elements, restore function, keeps good or fair condition, and extend service life. c) Work that is performed to maintain the condition of the bridge system. d) Work that is performed for specific conditions of events that restore the bridge to a functional state of operations. - ANSWER-b) Work that is done to prevent, delay, or reduce deterioration of bridges or bridge elements, restore function, keeps good or fair condition, and extend service life. While installed drilled shafts in granular soil conditions using the slurry method, which material is used to maintain the shape of the drilled shaft below ground until the concrete is placed? a) corrugated metal pipe b) polymer solution c) reinforced concrete pipe d) steel casing - ANSWER-d) steel casing Which equipment is suitable for compacting select granular backfill within 36 inches of a mechanically stabilized earth (MSE) wall face? a) dual drum vibratory roller b) padfoot roller c) plate tamp d) single drum vibratory roller - ANSWER-c) plate tamp Which two of the following statements are proper handling and storage for pre- stressed members? (Choose two). a) must be picked by approved pickup points b) must be picked by two cranes c) must be stored in a controlled environment d) must be stored with bearing points supported - ANSWER-a) must be picked by approved pickup points d) must be stored with bearing points supported In a homogeneous clay dam, a 2-foot wide vertical chimney drain is to be installed. A geofabric is to be placed to prevent clogging of the drain. Where should it go? a) at the top of the chimney drain
b) in the center of the chimney drain c) on the downstream face of the chimney drain d) on the upstream face of the chimney drain - ANSWER-d) on the upstream face of the chimney drain Within how many days of being cleaned should primer be applied to existing steel structure being painted? a) 3 days b) 5 days c) 7 days d) 10 days - ANSWER-a) 3 days Which two of the following operations require continuous inspection? (Choose two). a) driving piles b) painting structural steel c) tightening high strength bolts d) tying reinforcing steel - ANSWER-a) driving piles c) tightening high strength bolts On a multi-span bridge reconstruction project, the contractor's schedule states on Friday that they will be tightening/testing bolts for span #1 girders, finishing up tying reinforcing steel followed up with placing concrete for the pier #3 footings, and pile driving at the forward abutment. To effectively staff the project that day, what is the minimum number of construction inspectors required? a) 1 b) 2 c) 3 d) 4 - ANSWER-c) 3 When performing concrete deck repairs, it is discovered that the rebar has sufficient section loss requiring replacement. What is the minimum cover required between the new reinforcing steel and the existing slab face? a) 1.5 inches b) 2 inches c) 3 inches d) 3.5 inches - ANSWER-b) 2 inches What is a commonly used bolt tension measuring devices? a) torque wrench b) impact wrench
How are lights and luminaires controlled? a) loop detectors b) meter cabinet c) photocells d) timer - ANSWER-c) photocells How high should granular backfill of a standard underdrain be placed above the top of the collector pipe? a) 10 inches b) 12 inches c) 15 inches d) 18 inches - ANSWER-b) 12 inches According to FP-14, if testing is not being performed, what is the minimum waiting period for tensioning after the last concrete has be placed? a) 7 days b) 10 days c) 14 days d) 28 days - ANSWER-b) 10 days 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. - 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. b) 653. c) 653. d) 653.50 - 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 - 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. - 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 - 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 - 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 - 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) when safety equipment required to comply with existing regulations is supplied to each employee d) when safety regulations are made available to each employee by posting in a noticeable area - ANSWER-b) when management signs an agreement with OSHA stating willing compliance c) when safety equipment required to comply with existing regulations is supplied to each employee d) when safety regulations are made available to each employee by posting in a noticeable area For which of the following problems might slab stabilization be the most appropriate repair method? a) corner breaks in PCC pavement b) potholes in HMA pavement c) shattered PCC slab d) voids in PCC pavement caused by pumping - ANSWER-d) voids in PCC pavement caused by pumping Job related complaints from property owners adjacent to the project should be mitigated by whom? a) contractor b) engineer-in-charge c) inspector d) municipality - ANSWER-d) municipality A failed sloped is regraded to help stabilize the slope. What is the main purpose of the regrading? a) add fill at the top of the slope b) reduce concentrated flow c) remove soil at the top of the slope d) remove vegetation - ANSWER-b) reduce concentrated flow When can pre-stressed concrete beams be transported to the jobsite? a) after concrete has attained the minimum required design strength and is at least 7 days old b) after concrete has attained the minimum required design strength and is at least 14 days old c) after concrete has attained the minimum required design strength and is at least 21 days old d) after concrete has attained the minimum required design strength and is at least 28 days old - ANSWER-a) after concrete has attained the minimum required design strength and is at least 7 days old
How soon after installation may anchor rods be subjected to service loads? a) when concrete reaches 14-day specified strength b) when concrete reaches 28-day specified strength c) when concrete reaches 50% of its 28-day specified strength d) when concrete reaches 75% of its 28-day specified strength - ANSWER-b) when concrete reaches 28-day specified strength The invert of the sewer drops 1.2 feet in a horizontal distance of 250 feet. What is the slope? a) 0.0048% b) 0.040% c) 0.40% d) 0.48% - ANSWER-d) 0.48% While performing a dry run prior to a deck placement, all checks were within tolerance except at one cross-section in Bays #2 and #3 where the deck thickness and reinforcing steel was a 1/2 inch out of tolerance. If the survey grades were verified prior to the dry run, how should the contractor correct the issue at the out of tolerance location? a) adjust deck forms b) adjust reinforcing steel c) adjust screed legs d) adjust screed rails - ANSWER-? Driven falsework piles shall be removed if they are less than how many inches below subgrade with a roadbed? a) 11 inches b) 15 inches c) 24 inches d) 28 inches - ANSWER-a) 11 inches The contractor proposes to place concrete for a drilled shaft per the dry method. Prior to concrete placement, the contractor attempts to pump out any water from the drilled shaft but has an inflow of groundwater at a rate greater than 12 inches per hour. Which of the following is the proper procedure under this circumstance? a) add additional cement to concrete mix to maintain the proposed water-cement ratio. b) Continue pumping out ground water in shaft during concrete placement. c) Drill shaft deeper to accommodate the excess groundwater and place concrete. d) Flood shaft and place concrete per wet method. - ANSWER-d) Flood shaft and place concrete per wet method.
The contractor claimed underpayment for imported borrow based on load count. The engineer informed the contractor that the basis of payment was in place in the pit. Which basis should be valid in considering the claim? a) contractor has a claim b) notarized load count c) proof of improper measurement by the engineer d) proof of vehicle capacity - ANSWER-c) proof of improper measurement by the engineer What are three possible acceptance methods for PVC pipeline used for sewers? (Choose 3) a) bacteria b) deflection c) leakage d) visual inspection - ANSWER-b) deflection c) leakage d) visual inspection According to FP-14, during preassembly for field conditions, how shall girders and beams be assembled? a) in cambered condition b) in dead load position c) in live load position d) per the erection plan - ANSWER-a) in cambered condition A contract requires that a 16,000-ton aggregate stockpile be constructed. Upon testing, it was found that the last day's production of crushed aggregate was partially nonconforming for gradation. What can the contractor propose as a remedy? a) Approve the material based on prior positive test results. b) Ask for a reduction in gradation requirements. c) Eliminate the last day's work from the pile and pay. d) Thoroughly mix the last day's production and retest. - ANSWER-d) Thoroughly mix the last day's production and retest. After installation of wiring for each electrical system and before making corrections, which of the following test must be performed on each circuit using suitable equipment? a) amperage, ground, and polarity b) continuity, ground, and insulation resistance to ground c) fault, ground, and amperage
d) wire, polarity, and continuity - ANSWER-b) continuity, ground, and insulation resistance to ground Which three surface preparations need to be completed prior to paving roadways with asphalt? (Choose three). a) The density of the existing pavement is taken. b) The surface is cleaned and dried. c) The tack coat is applied uniformly at proper rate. d) The tack coat is cured prior to placement of overlay. - ANSWER-b) The surface is cleaned and dried. c) The tack coat is applied uniformly at proper rate. d) The tack coat is cured prior to placement of overlay. During compaction of select granular backfill for a mechanically stabilized earth (MSE) wall, when is a lightweight mechanical or vibratory compactor required? a) within 36 inches from the face of the wall b) within 60 inches from the face of the wall c) within the reinforcing mesh or strips d) within the top five feet of the top of wall - ANSWER-a) within 36 inches from the face of the wall While maintaining temporary erosion and sedimentation controls, at what design capacity (percentage) must be the trapped sediment be removed? a) 25 b) 50 c) 75 d) 100 - ANSWER-b) 50 How must spare signal conductors inside the cabinet be arranged? a) left hanging in the controller b) connected to an unused terminal c) connected to ground rod d) connected to the neutral buss - ANSWER-b) connected to an unused terminal How is temperature monitored for a mass concrete pour in accordance with a thermal control plan? a) external sensors b) infra-red laser c) internal sensors d) surface thermometer - ANSWER-c) internal sensors
