Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases the effects of temperature variations the unit weight strength workability the effects of temperature variations the unit weight strength workability ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is 0.85 d 0.68 d 0.55 d 0.43 d 0.85 d 0.68 d 0.55 d 0.43 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The ratio of the diameter of reinforcing bars and the slab thickness is 1/4 1/8 1/5 1/6 1/4 1/8 1/5 1/6 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 compressive strength inversely proportional to square root of compressive strength directly proportional to square root of compressive strength inversely proportional to compressive strength directly proportional to compressive strength inversely proportional to square root of compressive strength directly proportional to square root of compressive strength inversely proportional to compressive strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory is always less than 1 can be more than 1 is always greater than 1 can be less than 1 is always less than 1 can be more than 1 is always greater than 1 can be less than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is decreased by 10% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 25% for bars in compression decreased by 10% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 25% for bars in compression ANSWER DOWNLOAD EXAMIANS APP