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 Muller Breslau’s principle for obtaining influence lines is applicable toi) trussesii) statically determinate beams and framesiii) statically indeterminate structures, the material of which is elastic and follows Hooke’s lawiv) any statically indeterminate structureThe correct answer is (i), (ii) and (iii) only (i) (i), (ii) and (iv) (i) and (ii) (i), (ii) and (iii) only (i) (i), (ii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust Is decreased Remains unchanged Becomes zero Is increased Is decreased Remains unchanged Becomes zero Is increased 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 For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is 0.211 L 0.25 L 0.234 L 0.5 L 0.211 L 0.25 L 0.234 L 0.5 L ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The slenderness effect of a wall is considered if the effective height of the wall exceeds the thickness 10 times 11 times 12 times 13 times 10 times 11 times 12 times 13 times ANSWER DOWNLOAD EXAMIANS APP