Concrete Technology and Design of Concrete Structures In prestressed concrete forces of tension and compressions remain unchanged but lever arm changes with the moment forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm change both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm change both forces of tension and compres-sion as well as lever arm remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called None of these under-reinforced beam over-reinforced beam balanced beam None of these under-reinforced beam over-reinforced beam balanced beam ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a reinforced concrete section, the shape of shear stress diagram is rectangular above neutral axis and parabolic below neutral axis wholly parabolic wholly rectangular parabolic above neutral axis and rectangular below neutral axis rectangular above neutral axis and parabolic below neutral axis wholly parabolic wholly rectangular parabolic above neutral axis and rectangular below neutral axis ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of creep on modular ratio is either to decrease or to increase it to decrease it to increase it to keep it unchanged either to decrease or to increase it to decrease it to increase it to keep it unchanged ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The depth of footing for an isolated column is governed byi) maximum bending momentii) shear forceiii) punching shear The correct answer is (i) and (iii) only (i) (i) and (ii) (i), (ii) and (iii) (i) and (iii) only (i) (i) and (ii) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section depends on aCbC only depends on as, only is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on both crst and acbc depends on aCbC only depends on as, only is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on both crst and acbc ANSWER DOWNLOAD EXAMIANS APP
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