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 Degree of kinematic indeterminacy of a pin-jointed plane frame is given by 3j – r 2j – r 2j + r j – 2r 3j – r 2j – r 2j + r j – 2r 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 0.25 L 0.234 L 0.5 L 0.211 L 0.25 L 0.234 L 0.5 L 0.211 L ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis To generate the j th column of the flexibility matrix a unit force is applied at coordinate j and the displacements are calculated at all coordinates a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates a unit force is applied at coordinate j and the forces are calculated at all coordinates a unit force is applied at coordinate j and the displacements are calculated at all coordinates a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates a unit force is applied at coordinate j and the forces are calculated at all coordinates ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust Becomes zero Remains unchanged Is decreased Is increased Becomes zero Remains unchanged Is decreased Is increased 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 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 The diameter of the base The diameter of the top The reduced diameter of the column ANSWER DOWNLOAD EXAMIANS APP