Admixtures which cause early setting and hardening of concrete are cal – McqOptions

MCQOPTIONS

1.	Admixtures which cause early setting and hardening of concrete are called
A.	Workability admixtures
B.	Accelerators
C.	Retarders
D.	Air entraining agents
Answer» C. Retarders

Discussion

No Comment Found

Related MCQs

If the permissible stress in steel in tension is 140 N/mm , then the depth of neutral axis for a singly reinforced rectangular balanced section will be
The internal dimensions of a ware house are 15 m 5.6 m, and the maximum height of piles is 2.70 m, the maximum number of bags to be stored in two piles, are
For a continuous slab of 3 m 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is
If the size of panel in a flat slab is 6 m 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are
The top diameter, bottom diameter and the height of a slump mould are:
An ordinary Portland cement when tested for its fineness, should not leave any residue on I.S.sieve No. 9, more than
If the effective working time is 7 hours and per batch time of concrete is 3 minutes, the output of aconcrete mixer of 150 litre capacity, is
Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolanacement, is
The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 forobtaining the aggregates of F.M. 5.4, is
Maximum percentage reinforcement in case of slabs is limited to