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) (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
Fuels and Combustion Caking index of a coal is a measure of its Agglutinating (binding) properties Abradability Reactivity Porosity Agglutinating (binding) properties Abradability Reactivity Porosity ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The test strength of the sample is taken as the average of the strength of 4 specimens 3 specimens 5 specimens 2 specimens 4 specimens 3 specimens 5 specimens 2 specimens ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Micum Index of a coke is a measure of its Hardness & strength Porosity Reactivity Bulk density Hardness & strength Porosity Reactivity Bulk density ANSWER DOWNLOAD EXAMIANS APP
Structural Analysis The number of independent displacement components at each joint of a rigid-jointed space frame is 2 1 3 6 2 1 3 6 ANSWER DOWNLOAD EXAMIANS APP