Concrete Technology and Design of Concrete Structures Maximum distance between expansion joints in structures as per IS : 456 – 1978 is 45 m 60 m 20 m 30 m 45 m 60 m 20 m 30 m ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The property of the ingredients to separate from each other while placing the concrete is called segregation bulking compaction shrinkage segregation bulking compaction shrinkage ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than 20 mm 50mm 15 mm 25 mm 20 mm 50mm 15 mm 25 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is All (i), (ii) and (iii) (i) and (ii) (ii) and (iii) only (iii) All (i), (ii) and (iii) (i) and (ii) (ii) and (iii) only (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 as, only depends on aCbC only depends on both crst and acbc 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 as, only depends on aCbC only depends on both crst and acbc 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. ANSWER DOWNLOAD EXAMIANS APP
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 53 MPa and 42 MPa 42 MPa and 53 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa ANSWER DOWNLOAD EXAMIANS APP
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