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 None of these (m + r)<2j (m + r)>2j m + r = 2j None of these (m + r)<2j 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 negative The correct answer is (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Effects of shear force and axial force on plastic moment capacity of a structure are respectively to increase and decrease decrease and decrease decrease and increase increase and increase increase and decrease decrease and decrease decrease and increase increase and increase ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The Castigliano's second theorem can be used to compute deflections For any type of structure In statically determinate structures only At the point under the load only For beams and frames only For any type of structure In statically determinate structures only At the point under the load only For beams and frames only ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The deformation of a spring produced by a unit load is called influence coefficient unit strain flexibility stiffness influence coefficient unit strain flexibility stiffness ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis Pick up the correct statement for the web stiffeners. All of these d is the distance between flange angles or the clear distance between flanges Vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d For horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange All of these d is the distance between flange angles or the clear distance between flanges Vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d For horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange ANSWER DOWNLOAD EXAMIANS APP
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