Concrete Technology and Design of Concrete Structures Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than 35 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to Whitney’s theory, ultimate strain of concrete is assumed to be 0.6% 0.5% 0.4% 0.3% 0.6% 0.5% 0.4% 0.3% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on inner face only None of these front face only both front face and inner face inner face only None of these front face only both front face and inner face ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases strength the effects of temperature variations workability the unit weight strength the effects of temperature variations workability the unit weight ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called accelerators retarders workability admixtures air entraining agents accelerators retarders workability admixtures air entraining agents ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to IS : 456-1978, the fiexural strength of concrete is directly proportional to square root of compressive strength directly proportional to compressive strength inversely proportional to square root of compressive strength inversely proportional to compressive strength directly proportional to square root of compressive strength directly proportional to compressive strength inversely proportional to square root of compressive strength inversely proportional to compressive strength ANSWER DOWNLOAD EXAMIANS APP
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