Structural Analysis The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in The direction in which the deflection is required Inclined direction Vertical direction Horizontal direction The direction in which the deflection is required Inclined direction Vertical direction Horizontal direction ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis 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 m + r – 3j m + r + 2j m + r – 2j m – r + 2j m + r – 3j m + r + 2j m + r – 2j m – r + 2j ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Muller Breslau’s principle for obtaining influence lines is applicable to i) trusses ii) statically determinate beams and frames iii) statically indeterminate structures, the material of which is elastic and follows Hooke’s law iv) any statically indeterminate structure The correct answer is (i) and (ii) only (i) (i), (ii) and (iii) (i), (ii) and (iv) (i) and (ii) only (i) (i), (ii) and (iii) (i), (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The three moments equation is applicable only when The spans are equal The beam is prismatic There is no settlement of supports There is no discontinuity such as hinges within the span The spans are equal The beam is prismatic There is no settlement of supports There is no discontinuity such as hinges within the span ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis A pin-jointed plane frame is unstable if (where m is number of members, r is reaction components and j is number of joints) (m + r)>2j m + r = 2j (m + r)<2j None of these (m + r)>2j m + r = 2j (m + r)<2j None of these ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The degree of static indeterminacy of a rigid-jointed space frame is (where m, r and j have their usual meanings) 6m + r – 6j m + r – 3j 3m + r – 3j m + r – 2j 6m + r – 6j m + r – 3j 3m + r – 3j m + r – 2j ANSWER DOWNLOAD EXAMIANS APP