130055 - FINAL ASSESSMENT EXAM
QUESTIONS & DETAILED COMPLETE
ANSWERS
Level 1 Diving Inspection - Correct Answer ✔✔ Visual, Tactile
Level 2 Diving Inspection - Correct Answer ✔✔ Physical and Detailed with partial
cleaning
Level 3 Diving Inspection - Correct Answer ✔✔ Advanced and Very Detailed, utilize
NDE or partial destructive testing
Common shapes used in steel superstructures - Correct Answer ✔✔ Wide flange
beams, channels, structural tees, angles, tubes
Common concrete superstructure types - Correct Answer ✔✔ Slab, I-beam, Frame,
arch, Girder, Box beam, Box girder, Tee beam, channel beam, bulb tee beam, two
girders
Secondary members in concrete superstructures - Correct Answer ✔✔ End and
intermediate diaphragms, arch struts/struts
Secondary members in steel superstructures - Correct Answer ✔✔ Diaphragms, portal
bracing, sway bracing, external bracing, lateral bracing, hanger washers
Common shapes in timber bridge construction - Correct Answer ✔✔ Rectangular
(planks and beams) and round (piles/columns)
Secondary members in timber superstructures - Correct Answer ✔✔ Diaphragms,
bracing, and arch struts
Corrosion - Correct Answer ✔✔ the gradual wearing away of a steel element due to a
chemical reaction, occurs when there is no paint
Pack rust - Correct Answer ✔✔ Rusting that occurs between mating surfaces of
elements.
Fretting corrosion - Correct Answer ✔✔ Connection plates or other members vibrating
every time they are loaded
Nonredundant Steel Tension Members - Correct Answer ✔✔ What does NSTM stand
for?
, Slab load path - Correct Answer ✔✔ Slab, bearing, substructure
Deck load path - Correct Answer ✔✔ Deck, superstructure, bearing, substructure
Fixed bearing - Correct Answer ✔✔ It allows rotation but not other forms of movement.
Rocker Bearing - Correct Answer ✔✔ Allow for longitudinal and rotational movement
Elastomeric bearing - Correct Answer ✔✔ It enable the deck to translate and rotate, and
resist a certain amount of loads in the longitudinal, transverse and vertical directions
achieved by shearing deformation of the pad
Disk Bearings - Correct Answer ✔✔ Accommodate rotations through the deformation of
a hard-plastic disk that is typically unconfined
Lack of load path redundancy - Correct Answer ✔✔ What makes a structure fracture
critical?
Silt/Sand, Gravels/Cobbles, Boulders/Rock - Correct Answer ✔✔ Rank the following
from easiest to hardest to move through a waterway: Gravel/Cobbles, Silt/Sand,
Boulders/Rock
Changes in elevations of stream bed, take cross sections - Correct Answer ✔✔ How do
you know if scour has taken place in a stream?
Thalweg - Correct Answer ✔✔ deepest part of the channel
Strip Seal Expansion Joint - Correct Answer ✔✔ Two steel anchorages with a neoprene
seal, maximum movement of 4"
Pourable Joint Seal - Correct Answer ✔✔ Joint backing material, joint filler, and poured
sealant, allows movement up to 1/4"
Compression joint seal - Correct Answer ✔✔ Neoprene rectangular shape with
honeycomb cross section
Open - Correct Answer ✔✔ Gap between decks or deck and abutment
Inspector and bridge inspection team - Correct Answer ✔✔ Who monitors scour?
Scour coordinator - Correct Answer ✔✔ Who sets the scour limits?
False - Correct Answer ✔✔ True or False: Wearing surface is an NBE
To identify surface cracks in steel - Correct Answer ✔✔ What is dye penetrant used for?
QUESTIONS & DETAILED COMPLETE
ANSWERS
Level 1 Diving Inspection - Correct Answer ✔✔ Visual, Tactile
Level 2 Diving Inspection - Correct Answer ✔✔ Physical and Detailed with partial
cleaning
Level 3 Diving Inspection - Correct Answer ✔✔ Advanced and Very Detailed, utilize
NDE or partial destructive testing
Common shapes used in steel superstructures - Correct Answer ✔✔ Wide flange
beams, channels, structural tees, angles, tubes
Common concrete superstructure types - Correct Answer ✔✔ Slab, I-beam, Frame,
arch, Girder, Box beam, Box girder, Tee beam, channel beam, bulb tee beam, two
girders
Secondary members in concrete superstructures - Correct Answer ✔✔ End and
intermediate diaphragms, arch struts/struts
Secondary members in steel superstructures - Correct Answer ✔✔ Diaphragms, portal
bracing, sway bracing, external bracing, lateral bracing, hanger washers
Common shapes in timber bridge construction - Correct Answer ✔✔ Rectangular
(planks and beams) and round (piles/columns)
Secondary members in timber superstructures - Correct Answer ✔✔ Diaphragms,
bracing, and arch struts
Corrosion - Correct Answer ✔✔ the gradual wearing away of a steel element due to a
chemical reaction, occurs when there is no paint
Pack rust - Correct Answer ✔✔ Rusting that occurs between mating surfaces of
elements.
Fretting corrosion - Correct Answer ✔✔ Connection plates or other members vibrating
every time they are loaded
Nonredundant Steel Tension Members - Correct Answer ✔✔ What does NSTM stand
for?
, Slab load path - Correct Answer ✔✔ Slab, bearing, substructure
Deck load path - Correct Answer ✔✔ Deck, superstructure, bearing, substructure
Fixed bearing - Correct Answer ✔✔ It allows rotation but not other forms of movement.
Rocker Bearing - Correct Answer ✔✔ Allow for longitudinal and rotational movement
Elastomeric bearing - Correct Answer ✔✔ It enable the deck to translate and rotate, and
resist a certain amount of loads in the longitudinal, transverse and vertical directions
achieved by shearing deformation of the pad
Disk Bearings - Correct Answer ✔✔ Accommodate rotations through the deformation of
a hard-plastic disk that is typically unconfined
Lack of load path redundancy - Correct Answer ✔✔ What makes a structure fracture
critical?
Silt/Sand, Gravels/Cobbles, Boulders/Rock - Correct Answer ✔✔ Rank the following
from easiest to hardest to move through a waterway: Gravel/Cobbles, Silt/Sand,
Boulders/Rock
Changes in elevations of stream bed, take cross sections - Correct Answer ✔✔ How do
you know if scour has taken place in a stream?
Thalweg - Correct Answer ✔✔ deepest part of the channel
Strip Seal Expansion Joint - Correct Answer ✔✔ Two steel anchorages with a neoprene
seal, maximum movement of 4"
Pourable Joint Seal - Correct Answer ✔✔ Joint backing material, joint filler, and poured
sealant, allows movement up to 1/4"
Compression joint seal - Correct Answer ✔✔ Neoprene rectangular shape with
honeycomb cross section
Open - Correct Answer ✔✔ Gap between decks or deck and abutment
Inspector and bridge inspection team - Correct Answer ✔✔ Who monitors scour?
Scour coordinator - Correct Answer ✔✔ Who sets the scour limits?
False - Correct Answer ✔✔ True or False: Wearing surface is an NBE
To identify surface cracks in steel - Correct Answer ✔✔ What is dye penetrant used for?
