Structural Engineering III MCQ with Answers

Structural Engineering III MCQ with Answers

111) The degree of static indeterminacy of a pin-jointed space frame is given by [where m is number of unknown member forces, r is unknown reaction components and j is number of joints]

Answer is:

m + r - 3j

112) The degree of static indeterminacy of a rigid-jointed space frame is [where m, r and j have their usual meanings]

Answer is:

6m + r - 6j

113) The degree of kinematic indeterminacy of a pin-jointed space frame is [where j is number of joints and r is reaction components]

Answer is:

3j-r

114) The number of independent displacement components at each joint of a rigid-jointed space frame is

Answer is:

6

115) If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is

Answer is:

unstable

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