A. 2j – r
B. j – 2r
C. 3j – r
D. 2j + r
Related Mcqs:
- 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 - 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 - 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 + 3jwhere m is number of unknown member forces, r is unknown reaction components and j is number of joints
- 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 - 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 - 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 - A pin-jointed plane frame is unstable if________________?
A. (m + r)<2j
B. m + r = 2j
C. (m + r)>2j
D. none of the abovewhere m is number of members, r is reaction components and j is number of joints
- 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 - Number of unknown internal forces in each member of a rigid jointed plane frame is_____________?
A. 1
B. 2
C. 3
D. 6 - 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