Practice Quiz

Civil Engineering PE

Category - Struct Analysis

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Which of the following statement regarding hinges that support structural frames is not considered to be true?
  1. Also called “pin-type supports”
  2. Hinges provide support that is referred to as “inclined force”
  3. Forces at hinges have three unknowns
  4. All of the above
Explanation
Answer: C - The statement “forces at hinges have three unknowns” is not considered true. Two unknown forces are present at hinge supports: magnitude of the forces that prevents horizontal and vertical movement. Hinge supports do not prevent rotation around the hinge centroid.
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