NHI 130055 Final Exam Questions and Answers

NHI 130055 Final Exam Questions and
Answers
Question 1
What defects do you visually look for in timber
Correct Answer
Checks, splits, shakes, fungus decay, crushing, loose connections



Question 2
Vertical lift bridge
Correct Answer
a movable deck bridge in which the deck may be raised vertically by synchronized
machinery at each end



Question 3
Typical examples of movable bearing
Correct Answer
Roller, rocker, and sliding plate



Question 4
Visual inspection
Correct Answer
What is the primary inspection method for masonry, timber and FRP



Question 5
Abutment
Correct Answer
the substructure at the ends of a bridge span or dam whereon the structure's
superstructure rests or contacts.




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,Question 6
Pier
Correct Answer
Generally has one column supported by one footing



Question 7
Rotary percussion tool is example of
Correct Answer
Physical inspection



Question 8
Primary reinforcement of culvert
Correct Answer
If a circular culvert, reinforcement is circular



Question 9
ultrasonic testing
Correct Answer
Nondestructive testing using high-frequency sound waves and evaluated thickness
of steel



Question 10
Glulam Beams
Correct Answer
Typically simple span designs, and can span up to 80 feet



Question 11
Secondary reinforcement of culvert
Correct Answer
Longitudinal reinforcement of culvert, runs along span of culvert




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, Question 12
rigid frame bridge
Correct Answer
A type of girder bridge in which the piers and deck girder are fastened to form a
single unit. Unlike typical girder bridges which are constructed so that the deck rests
on bearings atop the piers, a rigid frame bridge acts as a unit. Pier design may vary.



Question 13
Vertical stiffeners are welded to a steel beam to...

Correct Answer
...prevent web buckling



Question 14
Column/open bent
Correct Answer
Common for highway. Have separate footings



Question 15
Integral pier
Correct Answer
Pier cap is incorporated into depth if superstructure. Used when vertical clearance is
limited.



Question 16
culvert deficiencies
Correct Answer
Structural integrity, hydraulic performance, roadside compatibility




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