NICET LEVEL 1 IN HIGHWAY CONSTRUCTION 2024 EXAM | ALL 160 EXAM QUESTIONS AND CORRECT ANSWERS | ALREADY GRADED A+ Where would y ou find requirements for painting the structural steel of your project? -----CORRECT ANSWER ------------ Specifications for the project. A girder measures 100' by 36" with flanges 12" wide. What is the surface area of the girder to the nearest square foot ? -----CORRECT ANSWER ------
------100'x3'x2 sides=600 square feet 12"x2(top and bottom)x100'x2 flanges=500 square feet Total=1,000 square feet Paint weighs 20 lbs/gallon. If a bridge requires 200 lbs of paint and so far only 125 lbs of paint has been app lied, what is the percentage complete? --
---CORRECT ANSWER ------------ 125/200=0.625 or 62.5% complete After the steel is cleaned but before the paint has begun what should be applied? -----CORRECT ANSWER ------------ Primer What is a protective surface treatment for a concrete bridge deck? -----
CORRECT ANSWER ------------ White membrane curing compound. What is the purpose of using vibrators in concrete? -----CORRECT ANSWER ------------ Consolidate Sealer treatment can be applied without hard even if the concrete is? -----
CORRECT ANSWER ------------ Still green Excessive vibration of concrete causing the top to become white chalky and nondurable is called? -----CORRECT ANSWER ------------ Laitance The main reason for applying liquid membrane forming compound on concrete is? -----CORRECT ANSWER ------------ Prevent loss of water during early curing. The main reason for white reflective concrete covering is to? -----
CORRECT ANSWER ------------ Reduce t emperature in concrete and reflect the suns heat. What does a screed do? -----CORRECT ANSWER ------------ Removes excess concrete from the surface of freshly placed concrete. A protective treatment is applied to a bridge deck that is 70'x135'. The rate of application is 0.075 gal/sy. What is the amount of gallons that are required? -----CORRECT ANSWER ------------ 75x135=10,125 sf/9=1,125 sy. 1,125 sy. x 0.075 = 84.4 gallons If told in the above problem the specifications requires a 30% increase in the quantity for the protective coating how many gallons required? -----
CORRECT ANSWER ------------ 84.4 gallons x 1.30=109.75 gallons A membrane is applied with a 30% overlap. The bridge deck surface is 150'x50'. Each roll of membrane is 400 sf. How many rolls must be ordered? -----CORRECT ANSWER ------------ 150' x 50,=7,500 sf. 7,500 x 1.3=9,750 sf. 9,750/400=24.3 =25 rolls Concrete pipe should be placed? -----CORRECT ANSWER ------------ With the bell end of the pipe at the upstream end. When installing concrete pipe, install? -----CORRECT ANSWER ------------
Downstream to upstream. When installing a culvert, work should begin? -----CORRECT ANSWER -----
------- Begin at downstre am end. A culvert is labeled CMPA. What does CMPA stand for? -----CORRECT ANSWER ------------ Corrugated metal pipe arch culvert Why is it important to keep the trench width consistent with the specs? -----
CORRECT ANSWER ------------ Larger trench widths increase cost.
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