As compared to ordinary portland cement, use of pozzuolanic cement_______________?

Related Mcqs:

Admixtures which cause early setting, and hardening of concrete are called_______________?

A. workability admixtures B. accelerators C. retarders D. air entraining agents...

For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be________________?

A. 0.75-0.80 B. 0.80-0.85 C. 0.85 – 0.92 D. above 0.92...

Ratio of permissible stress in direct compression and bending compression is______________?

A. less than 1 B. between 1 and 1.5 C. between 1.5 and 2.0 D. greater than 2...

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_______________?

A. depends on as, only B. depends on aCbC only C. depends on both crst and acbc D. 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 bend¬ing compression...

In prestressed concrete______________?

A. forces of tension and compression change but lever arm remains unchanged B. forces of tension and compressions remain unchanged but lever arm changes with the moment C. both forces of tension and compres-sion as well as lever arm change D. both forces of tension and compres-sion as well as lever arm remain unchanged...