FHWA-NHI-130101 Questions and All
Correct Answers.
Which of the following are characteristics of a continuous span? - 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? - 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 - Answer - composite
- non-composite
- composite
the additional inspection requirements for fracture critical bridges were in response to the
failure of what bridge? - Answer Mianus River Bridge
the following information must be included in a bridge database - Answer
3 bridge components - Answer deck, superstructure, substructure
which of the following conditions describes a component with minor deterioration, section loss,
spalling or cracking? - Answer fair
which of the following is not a superstructure element? - Answer bearing pile
the purpose of this element is to provide support for bridge bearings and the superstructure at
intermediate points - Answer pier cap
, what is not an example of vertical load - Answer c
which vehicle generally requires a special analysis before traveling on most roads? - Answer
permit vehicle
which of the following is an example of tension? - 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? - Answer Negative Moment
which of the following best describes toughness - Answer measure of energy required to
break a material
which of the following best describes strain hardening? - Answer gradual, continuing,
irreversible deformation due to constant stress below the yield strength
which of the following is true of a simple span? - 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? - 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? - Answer internal
steel can be used for which of the following? - Answer - railings
- decks
- concrete reinforcement
which of the following is an advantage for using steel as a bridge material? - Answer very
durable
weathering steel is suitable for which environment? - Answer dry inland areas
which of the following are characteristics of high performance steel? - Answer - good
corrosion resistance
Correct Answers.
Which of the following are characteristics of a continuous span? - 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? - 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 - Answer - composite
- non-composite
- composite
the additional inspection requirements for fracture critical bridges were in response to the
failure of what bridge? - Answer Mianus River Bridge
the following information must be included in a bridge database - Answer
3 bridge components - Answer deck, superstructure, substructure
which of the following conditions describes a component with minor deterioration, section loss,
spalling or cracking? - Answer fair
which of the following is not a superstructure element? - Answer bearing pile
the purpose of this element is to provide support for bridge bearings and the superstructure at
intermediate points - Answer pier cap
, what is not an example of vertical load - Answer c
which vehicle generally requires a special analysis before traveling on most roads? - Answer
permit vehicle
which of the following is an example of tension? - 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? - Answer Negative Moment
which of the following best describes toughness - Answer measure of energy required to
break a material
which of the following best describes strain hardening? - Answer gradual, continuing,
irreversible deformation due to constant stress below the yield strength
which of the following is true of a simple span? - 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? - 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? - Answer internal
steel can be used for which of the following? - Answer - railings
- decks
- concrete reinforcement
which of the following is an advantage for using steel as a bridge material? - Answer very
durable
weathering steel is suitable for which environment? - Answer dry inland areas
which of the following are characteristics of high performance steel? - Answer - good
corrosion resistance
