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NICET LEVEL 3 EXAM 2025 | ALL QUESTIONS AND
CORRECT ANSWERS | GRADED A+ | VERIFIED
ANSWERS | LATEST EXAM | JUST RELEASED
What are tendons comprised of? ---------CORRECT ANSWER----------------- a single prestressed bar and a 1/4" duct larger then outside diameter of prestressed bar What should be done to post tensioned ducts if damaged? --------- CORRECT ANSWER-----------------Seal the ducts with tape or splice coupler over damaged section What should be installed at the ends of the ducts? ---------CORRECT ANSWER-----------------Inlets for grout injection and outlets to allow air to escape, water and grout. How big should the inlets and outlets be for post tensioning? --------- CORRECT ANSWER-----------------3/4" for strand tendon and atleast 1/2" for a single bar tendon Where should inlets and outlets be placed for post tensioning? --------- CORRECT ANSWER-----------------At the anchorage area of the tendon, high points of the duct when vertical distance is more than 2' and outlet at the lowest point of the duct What should be done to the metal conduits after concrete placement for post tensioning? ---------CORRECT ANSWER-----------------Flush conduits
with water containing lime and blow out the again with compressed oil free air. When should false work be removed for post tensioned members? --------- CORRECT ANSWER-----------------after 48 hours of grouting Where are anchorage devices placed for post tensioning? --------- CORRECT ANSWER-----------------must be atleast 2" inside of concrete How long is the cure time for Class HPCO? ---------CORRECT ANSWER---- -------------wet cure for 14 days, provide internal cooling, external heating or insulating to ensure differential does not exceed 35 degrees How long is the cure time for Class LMC? - --------CORRECT ANSWER------ -----------wet cure atleast 48 hours and until maturity reading exceeds 48 maturity hours What is the placement method for Class HPCO overlay? ---------CORRECT ANSWER-----------------do not broom mortar from mixture from front edge of placement How large is a test section for bridge overlay? ---------CORRECT ANSWER-----------------9x9 test section How large is the surface profiling of a bridge? ---------CORRECT ANSWER- ----------------1/6 to 1/4"
What is the surface prep for geotextile? ---------CORRECT ANSWER--------- --------remove debris protruding 12" or more and remove debris protruding more than 1/2 above prepped surface How are lights and luminaires controlled? ---------CORRECT ANSWER------ -----------By a PhotoCell Control and for circuits operating at less than 10 amps, a Photocell switch is used What are the three types of inspection? ---------CORRECT ANSWER--------- --------Initial, Interim and routine How many times per foot should loop wires be twisted? ---------CORRECT ANSWER-----------------5 twists per foot How wide should loops be cut and at what depth? ---------CORRECT ANSWER-----------------5/16th Wide and 1 3/4" deep What should be installed on loops wires they cross a crack or joint? --------- CORRECT ANSWER-----------------A plastic sleeve that extends 4" past the joint/crack. How should spare signal conductors be arraigned inside the box? --------- CORRECT ANSWER-----------------Spare conductors should be connected to a terminals. unused
What should happen prior and during the installation of loops wires? --------- CORRECT ANSWER-----------------1. Clean saw cuts and remove debris by means of sandblasting, water blasting or wire brushing
- Do not allow vehicles to drive over open cuts
- Utilized plastic sleeves between joints How is loop wire required to be placed? ---------CORRECT ANSWER--------- --------continuously What is placed ontop of continuous loop wires? ---------CORRECT ANSWER-----------------2' long Backer Rod What is the required wire slack amount left inside of pull box? --------- CORRECT ANSWER-----------------Minimum of 36" How long until subjected live load can be applied to anchor bolts? --------- CORRECT ANSWER-----------------Until concrete meets it required 28 day strength What type of pattern is recommended when tightening bolts? --------- CORRECT ANSWER-----------------The Star Pattern Prior to erection of traffic lights, What are the elements an inspector is looking for? ---------CORRECT ANSWER-----------------1.Bent or damaged parts
- damaged coatings
- Distortions
- defective fabrication
What is the required surface temperature for painting a bridge? --------- CORRECT ANSWER-----------------Surface temps must be between 50 and 100 degrees When painting a bridge, what must be the humidity percentage be? --------- CORRECT ANSWER-----------------85% or less unless manufactures recommendations say otherwise When cleaning unsound paint, how far into the intact coat should you be? -- -------CORRECT ANSWER-----------------Extend the prepared area at least 2 inches into adjacent tightly adhering, intact coating. When should primer be applied when painting a bridge? ---------CORRECT ANSWER-----------------. Only where paint is removed to bare metal. Otherwise, apply only intermediate and finish paints What do the color bonnets on fire hydrants mean? ---------CORRECT ANSWER-----------------Light Blue - 1,500GPM or above Green: 1000-1499GPM Orange: 500 - 999GPM Red: Less than 500 GPM What should be done to inoperable fire hydrants? ---------CORRECT ANSWER-----------------Fire hydrants should be wrapped or parts on the hydrant color black
What should be done if a hydrant is 20GPM or below? ---------CORRECT ANSWER-----------------GPM should be stenciled on the fire hydrant caps and top. What is the working pressure rating for fire hydrants? ---------CORRECT ANSWER-----------------250PSI What do the fire hydrant body colors mean? ---------CORRECT ANSWER--- --------------Red - Privately owned Yellow- Municipality Owned Light Purple- Non portable What should be placed and for how long when trial drilled shafts are being done? ---------CORRECT ANSWER-----------------Steel casing should be installed for 4 hours. Once the 4 hours is completed, the hole is filled with saturated sand. What do boring logs contain? ---------CORRECT ANSWER-----------------1. Type or rock/soil encountered
- approx rate of seepage or groundwater encountered
- equipment used/ equipment breakdowns 4.time completed
- Difficulties experienced during drilling What does Dry Drilling Method consist of? ---------CORRECT ANSWER----- ------------Removing acclimated water and loose material in a relatively dry environment
When sampling slurry, how many samples are taken and where are the samples taken from? ---------CORRECT ANSWER-----------------4 tests samples should be taken within 8 hours of slurry use. Samples should be take at the base of the drilled shaft and 10' above the base What is the acceptable amount of soil and water to be left in the drilled shaft prior to concrete placement? ---------CORRECT ANSWER----------------
- 1/2" of sediment and reduce water level to 3" or less When should Drilled Shaft be inspected prior to concrete placement? --------
- CORRECT ANSWER-----------------Within 24 hours prior to concrete placement What are the levels of mineral and slurry should be maintained while drilling shafts? ---------CORRECT ANSWER-----------------Slurry level should be maintained at 5' and 10' with mineral slurry When placing concrete, how is the steel casing removed? --------- CORRECT ANSWER-----------------Concurrently with concrete What happens if steel casing becomes bound and cannot be removed? ---- -----CORRECT ANSWER-----------------1. Remove concrete shaft, and extend shaft deeper to compensate loss.
- Provide straddle shaft to compensate for loss
- Provide replacement shaft
How should forms be placed for drilled shafts? ---------CORRECT ANSWER-----------------Removable forms should be placed atleast 24" below finished ground when the top of the shaft is above ground. What type of concrete is used for drilled shaft? ---------CORRECT ANSWER-----------------Class A concrete should be used, while type S is used for underwater applications When is indepth inspection of temporary works is required? --------- CORRECT ANSWER-----------------Inspection should take place not more than 24 hours prior to concrete pour When can concrete forms for drilled shafts be removed? ---------CORRECT ANSWER-----------------When concrete shaft hasnt been exposed to water for 7 days or has reached its 28 day strength When should drilled shaft concrete be consolidated? ---------CORRECT ANSWER-----------------Do not consolidate concrete until stagnant water is removed from the top surface. How should tremies to placed during concrete pour for drilled shafts? --------
- CORRECT ANSWER-----------------Keep watertight tremie discharge immersed atleast 10' below surface of concrete at all times. Concrete should be poured continuously starting at the bottom of shaft elevation. To cure concrete girders, what should the relative humidity be? --------- CORRECT ANSWER-----------------cure in a saturated environment Atleast 85%
When should hydraulic jacks not be used? ---------CORRECT ANSWER----- ------------if loads are less than 1/4 or more than 3/4 of total capacity When should prestressed concrete members be transported? --------- CORRECT ANSWER-----------------Until compressive strength is achieved and atleast 7 days old For pre-tensioned members, what should the steel be protected from and for how long prior to encasement? ---------CORRECT ANSWER----------------
- protect from contamination and corrosion if stressing ed is exposed to weather for more then 36 hours What is the maximum allowance for strands to unwind? ---------CORRECT ANSWER-----------------no more than one turn, must be free of kinks and twists When should the jack force be recorded for pre-tensioned steel? --------- CORRECT ANSWER-----------------when strands are tensioned to 20% of final jacking force At what temperature should reinforcements bars should be kept? --------- CORRECT ANSWER-----------------Bars should be kept within 25 degrees of the temps of concrete being placed When should the tension of strands be checked? ---------CORRECT ANSWER-----------------Check strands 3 hours prior to concrete placement
When should strands be re tensioned? ---------CORRECT ANSWER---------- -------When there is a loss of prestress in excess of 3% How long should concrete be protected from the elements? --------- CORRECT ANSWER-----------------For atleast 7 days How should precast be stored? ---------CORRECT ANSWER-----------------in the upright position of supports and in the direction of reaction How should bars be labeled? ---------CORRECT ANSWER-----------------with lot numbers and tagged, all non tagged or identified bars should be rejected how much compressive strength does concrete carry? ---------CORRECT ANSWER-----------------10% of its compressive strength At the inlet and outlets, what should be installed? ---------CORRECT ANSWER-----------------Shut off Valves Anchorage devices must be able to withstand what percentage of pre stressed steel tensile strength? ---------CORRECT ANSWER----------------- 95% of the tensile strength What class of grout is used for post tensioning members? --------- CORRECT ANSWER-----------------Class A,B and C
When installing bolts what should be removed from the hole? --------- CORRECT ANSWER-----------------Paint closer then 1" or bolt diameter from hole edge, clean dirt and foreign material from joint surface? preloaded bolting consist of what? ---------CORRECT ANSWER----------------
- Initial torque and final torque How should you inspect bolts? ---------CORRECT ANSWER----------------- Select 10% of tension bolts (atleast 2) in each connection, apply inspection wrench, or turn bolt head 5 degress approx, 1-12" in the direction of tightening How are girders and beams delivered? ---------CORRECT ANSWER---------- -------in their non load cambered condition How are trusses assembled? ---------CORRECT ANSWER----------------- Assemble trusses in a full dead-load How are vertical webs assembled? ---------CORRECT ANSWER--------------- --in intervals of 20' or two-tenths of the span When are joints welded? ---------CORRECT ANSWER-----------------When each connection fits and proper spacing between abutting flanges
Whats included in the erection plans? ---------CORRECT ANSWER----------- ------Falsework, bracing,guys, dead-men, lifting devices and bridge member connections When should welding not be allowed? ---------CORRECT ANSWER----------- ------During rain events and temps below 0 degrees unless in heated enclosure What is required depending on falsework height? ---------CORRECT ANSWER-----------------Designed drawings for falsework under 6' and stamped drawings over 6' What is the required set times for vertical falsework members? --------- CORRECT ANSWER-----------------Members less than 15', allow conrete to set for 30 mins before placing horizontal members. Members above 15' allow concrete to set for 12 hours. When can loads be transferred to horizontal members? ---------CORRECT ANSWER-----------------until specific strength is achieved or in place atleast for 7 days When should driven falsework piles not be removed? ---------CORRECT ANSWER-----------------When piles are more than 12" below subgrade within roadbeds and 24" below the original ground. What does SSPC stand for? ---------CORRECT ANSWER----------------- Society for Protective Coatings
For new structures, primer should be applied within how many days of cleaning? ---------CORRECT ANSWER-----------------within 3 days What are driven piles? ---------CORRECT ANSWER-----------------Piles are 12"-36" in diameter, displaces soil and cannot be driven into into hard rock What are Micro Piles? ---------CORRECT ANSWER-----------------Micro piles are less than 12" in diameter, using high strength steel rod or pipe which is grouted into bearing formation. Can be driven into rock to achieve high axial resistance. What are drilled pile foundations? ---------CORRECT ANSWER----------------- pile foundations, which are typically 12- 30" in diameter. utilizing a continuous auger or displacement tool into the ground then grouting or concreting through hallow center. What is a trial drilled shaft? ---------CORRECT ANSWER-----------------Trial with proposed methods and equipment. When drilling if the hole collapse, place steel casing for 4 hours while dewatering activities are active. After 4 hours, remove the casing and fill hole with saturated sand to demonstrate concrete pour. What is the requirements for drilled shaft per dry method? --------- CORRECT ANSWER------------------ Ensure less than 12" of water accumulation above the base of hole during a 1 hour period.
- Both sides of the hole remain stable without sloughing or swelling.
- Loose material and water is removed prior to concrete placement
What is drilled shaft wet method? ---------CORRECT ANSWER----------------- Consists is using water or slurry to maintain hole stability while drilling shaft, placing reinforcement cage or concrete placement. what type of bolt is used on non weathered steel? ---------CORRECT ANSWER-----------------Type 1 bolts What type of bolt is used for weathered steel? ---------CORRECT ANSWER-----------------Type 3 bolts What is the bolt tightening pattern for high strength bolts? --------- CORRECT ANSWER-----------------Start the the most ridged point of the joint ( Middle) and work your way out to the free edges. What causes honeycombing, washout of fines, or water channeling during concrete placement for drilled shaft? ---------CORRECT ANSWER------------- ----1. concrete placed directly into water
- excessive ground water head pressure
- Excessive bleed water in concrete mix What can cause concrete defects when placing concrete for drilled shafts? ---------CORRECT ANSWER-----------------1. Tremie joints not water tight
- Concrete pipe not at the bottom of the shaft
- Excessive sediment in slurry
- slump inadequate for the duration of concrete pour
