Structural Analysis A rigid-jointed plane frame is stable and statically determinate if (where m is number of members, r is reaction components and j is number of joints) (m + r) = 2j (m + r) = 3j (3m + r) = 3j (m + 3r) = 3j (m + r) = 2j (m + r) = 3j (3m + r) = 3j (m + 3r) = 3j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal(i) Of a stiffness matrix must be positive(ii) Of a stiffness matrix must be negative(iii) Of a flexibility matrix must be positive(iv) Of a flexibility matrix must be negativeThe correct answer is (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Castigliano’s first theorem is applicable only when principle of superposition is valid for statically determinate structures only when the system behaves elastically None of these only when principle of superposition is valid for statically determinate structures only when the system behaves elastically None of these ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The thickness of the rectangular plate for the cap or base of a solid round steel columns, is calculated from the formula t = √[(9W/16 fbct) × D/(D -d)] where ‘d’ is The diameter of the base The diameter of the top The reduced diameter of the column The dimension of the base The diameter of the base The diameter of the top The reduced diameter of the column The dimension of the base ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Degree of kinematic indeterminacy of a pin-jointed plane frame is given by j – 2r 2j + r 2j – r 3j – r j – 2r 2j + r 2j – r 3j – r ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The slenderness effect of a wall is considered if the effective height of the wall exceeds the thickness 12 times 10 times 13 times 11 times 12 times 10 times 13 times 11 times ANSWER DOWNLOAD EXAMIANS APP
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