FHWA-NHI-130101 EXAM QUESTIONS
& VALID CORRECT ANSWERS
Which of the following are characteristics of a continuous span? - Correct Answer ✔✔ -
Span deflects downward when loaded, causing rotation at the supports
- Span may deflect upward if adjacent span has more load
- shear forces maximum at supports
- positive moment greatest at or near midspan
- negative moment greatest at intermediate supports
Which of the following are characteristics of a cantilever span? - Correct Answer ✔✔ -
span deflects downward when loaded, with no rotation at the support
- shear forces maximum at support
- maximum moment greatest at support
- shear connectors tie the deck and superstructure together
- beams act independently of the deck
- deck helps the top flanges carry the load - Correct Answer ✔✔ - composite
- non-composite
- composite
the additional inspection requirements for fracture critical bridges were in response to
the failure of what bridge? - Correct Answer ✔✔ Mianus River Bridge
the following information must be included in a bridge database - Correct Answer ✔✔
3 bridge components - Correct Answer ✔✔ deck, superstructure, substructure
which of the following conditions describes a component with minor deterioration,
section loss, spalling or cracking? - Correct Answer ✔✔ fair
which of the following is not a superstructure element? - Correct Answer ✔✔ bearing
pile
the purpose of this element is to provide support for bridge bearings and the
superstructure at intermediate points - Correct Answer ✔✔ pier cap
what is not an example of vertical load - Correct Answer ✔✔ c
which vehicle generally requires a special analysis before traveling on most roads? -
Correct Answer ✔✔ permit vehicle
, which of the following is an example of tension? - Correct Answer ✔✔ a rope during
tug-of-war
which of the following actions does a beam experience in a simply supported single
span bridge, with an applied live load at the midspan? - Correct Answer ✔✔ Negative
Moment
which of the following best describes toughness - Correct Answer ✔✔ measure of
energy required to break a material
which of the following best describes strain hardening? - Correct Answer ✔✔ gradual,
continuing, irreversible deformation due to constant stress below the yield strength
which of the following is true of a simple span? - Correct Answer ✔✔ only two supports,
each of which is at or near the end of the span
which of the following are characteristics of a simple span? - Correct Answer ✔✔ -
negative moment throughout span
- maximum moment at or near midspan
- sum of reactions provided by two supports equals entire load
what type of redundancy is due to several elements mechanically fastened together to
form one single member? - Correct Answer ✔✔ internal
steel can be used for which of the following? - Correct Answer ✔✔ - railings
- decks
- concrete reinforcement
which of the following is an advantage for using steel as a bridge material? - Correct
Answer ✔✔ very durable
weathering steel is suitable for which environment? - Correct Answer ✔✔ dry inland
areas
which of the following are characteristics of high performance steel? - Correct Answer
✔✔ - good corrosion resistance
- improved weldability
- high toughness
which of the following best describes the modulus of elasticity? - Correct Answer ✔✔
the proportional stress-strain relationship of a material when it will return to its original
shape after stresses are removed
which of the following statements are true? - Correct Answer ✔✔ - isotropic metal has
the same mechanical properties in all directions
- unprotected carbon steel corrodes without a protective coating
& VALID CORRECT ANSWERS
Which of the following are characteristics of a continuous span? - Correct Answer ✔✔ -
Span deflects downward when loaded, causing rotation at the supports
- Span may deflect upward if adjacent span has more load
- shear forces maximum at supports
- positive moment greatest at or near midspan
- negative moment greatest at intermediate supports
Which of the following are characteristics of a cantilever span? - Correct Answer ✔✔ -
span deflects downward when loaded, with no rotation at the support
- shear forces maximum at support
- maximum moment greatest at support
- shear connectors tie the deck and superstructure together
- beams act independently of the deck
- deck helps the top flanges carry the load - Correct Answer ✔✔ - composite
- non-composite
- composite
the additional inspection requirements for fracture critical bridges were in response to
the failure of what bridge? - Correct Answer ✔✔ Mianus River Bridge
the following information must be included in a bridge database - Correct Answer ✔✔
3 bridge components - Correct Answer ✔✔ deck, superstructure, substructure
which of the following conditions describes a component with minor deterioration,
section loss, spalling or cracking? - Correct Answer ✔✔ fair
which of the following is not a superstructure element? - Correct Answer ✔✔ bearing
pile
the purpose of this element is to provide support for bridge bearings and the
superstructure at intermediate points - Correct Answer ✔✔ pier cap
what is not an example of vertical load - Correct Answer ✔✔ c
which vehicle generally requires a special analysis before traveling on most roads? -
Correct Answer ✔✔ permit vehicle
, which of the following is an example of tension? - Correct Answer ✔✔ a rope during
tug-of-war
which of the following actions does a beam experience in a simply supported single
span bridge, with an applied live load at the midspan? - Correct Answer ✔✔ Negative
Moment
which of the following best describes toughness - Correct Answer ✔✔ measure of
energy required to break a material
which of the following best describes strain hardening? - Correct Answer ✔✔ gradual,
continuing, irreversible deformation due to constant stress below the yield strength
which of the following is true of a simple span? - Correct Answer ✔✔ only two supports,
each of which is at or near the end of the span
which of the following are characteristics of a simple span? - Correct Answer ✔✔ -
negative moment throughout span
- maximum moment at or near midspan
- sum of reactions provided by two supports equals entire load
what type of redundancy is due to several elements mechanically fastened together to
form one single member? - Correct Answer ✔✔ internal
steel can be used for which of the following? - Correct Answer ✔✔ - railings
- decks
- concrete reinforcement
which of the following is an advantage for using steel as a bridge material? - Correct
Answer ✔✔ very durable
weathering steel is suitable for which environment? - Correct Answer ✔✔ dry inland
areas
which of the following are characteristics of high performance steel? - Correct Answer
✔✔ - good corrosion resistance
- improved weldability
- high toughness
which of the following best describes the modulus of elasticity? - Correct Answer ✔✔
the proportional stress-strain relationship of a material when it will return to its original
shape after stresses are removed
which of the following statements are true? - Correct Answer ✔✔ - isotropic metal has
the same mechanical properties in all directions
- unprotected carbon steel corrodes without a protective coating
