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

Degree of kinematic indeterminacy of a pin-jointed plane frame is given by______________?

A. 2j – r

B. j – 2r

C. 3j – r

D. 2j + r

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

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

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

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

A. 2j-r

B. 3j-r

C. j-2r

D. j-3r