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NICET LEVEL 3 HIGHWAY CONSTRUCTION NEWEST 2024
ACTUAL EXAM 80 QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
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. 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 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 - answer-d) 36 inches
Which three components make up an OSHA-required safety program? (Choose three). a) when a complete set of safety regulations is written 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
- 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% Driven falsework piles shall be removed if they are less than how many inches below subgrade with a roadbed? a) 11 inches
Which method should be considered when placing grouted rock riprap on steep channel slopes near structures? a) dump truck placement b) equipment placement c) geogrid placement d) hand placement - answer-d) hand placement Prior to the fabricated structural steel being delivered, it was determined that the girder would not fit by 3/8 inches. How would this be corrected? a) change the backwall detail b) erect structural steel c) issue a field memo d) RFI to designer - answer-d) RFI to designer Which two details should the contractor have prior to installation of support structures? (Chose two). a) design calculations b) inspector's contact information c) shop drawings d) special provisions - answer-a) design calculations c) shop drawings While painting traffic stripes with a striping truck, what single factor will affect the paint thickness and the proper application of glass beads?
a) ambient temperature b) equipment c) speed of the truck d) surface textures - answer-c) speed of the truck 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
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 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
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 c) Skidmore-Wilhelm calibrator d) Windsor probe - answer-c) Skidmore-Wilhelm calibrator Upon inspection of reinforcing steel for a deck repair, it is discovered that a percentage of the existing steel has deteriorated. What percent of section loss requires remediation? a) 10% b) 25% c) 33% d) 50% - answer-a) 10% Subcontractors are involved in the construction of rest areas. Who is legally responsible for ensuring proper payment to workers on the subcontract? a) EEOC officer
d) nighttime operation - answer-b) horizontal and vertical curves 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
