The number of independent displacement components at each joint of a rigid-jointed space frame is_______________?

Related Mcqs:

1. Independent displacement components at each joint of a rigid-jointed plane frame are_________________?

   A. three linear movements
   B. two linear movements and one rotation
   C. one linear movement and two rotations
   D. three rotations

2. If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is_______________?

   A. unstable
   B. stable and statically determinate
   C. stable and statically indeterminate
   D. none of the above

3. Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is__________________?

   A. 2
   B. 3
   C. 6
   D. 8

4. The degree of static indeterminacy of a rigid-jointed space frame is_________________?

   A. m + r – 2j
   B. m + r – 3j
   C. 3m + r – 3j
   D. 6m + r – 6j
   where m, r and j have their usual meanings

5. Number of unknown internal forces in each member of a rigid jointed plane frame is_____________?

   A. 1
   B. 2
   C. 3
   D. 6

6. A rigid-jointed plane frame is stable and statically determinate if_______________?

   A. (m + r) = 2j
   B. (m + r) = 3j
   C. (3m + r) = 3j
   D. (m + 3r) = 3j
   where m is number of members, r is reaction components and j is number of joints

7. If in a pin-jointed plane frame (m + r) > 2j, then the frame is________________?

   A. stable and statically determinate
   B. stable and statically indeterminate
   C. unstable
   D. none of the above
   where m is number of members, r is reaction components and j is number of joints

8. If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by__________________?

   A. m + r + 2j
   B. m – r + 2j
   C. m + r – 2j
   D. m + r – 3j

9. The degree of static indeterminacy of a pin-jointed space frame is given by_________________?

   A. m + r – 2j
   B. m + r – 3j
   C. 3m + r – 3j
   D. m + r + 3j

   where m is number of unknown member forces, r is unknown reaction components and j is number of joints

10. The degree of kinematic indeterminacy of a pin-jointed space frame is_____________?

    A. 2j-r
    B. 3j-r
    C. j-2r
    D. j-3r
    where j is number of joints and r is reaction components