Theory of Structures A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 × 106 kg/cm², the side of the rod, is 2.5 cm 2 cm 1.5 cm 1 cm 2.5 cm 2 cm 1.5 cm 1 cm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is 2W/ha 2h/Wa Wa/2h Wa/h 2W/ha 2h/Wa Wa/2h Wa/h ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The equivalent length is of a column of length having both the ends fixed, is L/2 2 L l L L/2 2 L l L ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is 4WD²n/d4N 4W²Dn/d4N 4W²D3n/d4N 4W²D3n²/d4N 4WD²n/d4N 4W²Dn/d4N 4W²D3n/d4N 4W²D3n²/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Principal planes are subjected to Normal stresses as well as tangential stresses Tangential stresses only None of these Normal stresses only Normal stresses as well as tangential stresses Tangential stresses only None of these Normal stresses only ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A material is said to be perfectly elastic if It regains its original shape on removal of the load It regains its original shape partially on removal of the load It does not regain its original shape at all None of these It regains its original shape on removal of the load It regains its original shape partially on removal of the load It does not regain its original shape at all None of these ANSWER DOWNLOAD EXAMIANS APP
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