Admixtures which cause early setting, and hardening of concrete are ca – 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

Examine the following statements :i) Factor of safety for steel should be based on its yield stress,ii) Factor of safety for steel should be based on its ultimate stress,iii) Factor of safety for concrete should be based on its yield stress,iv) Factor of safety for concrete should be based on its ultimate stress.The correct statements are
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)
The strength of concrete after one year as compared to 28 days strength is about
1% of voids in a concrete mix would reduce its strength by about
The ratio of the diameter of reinforcing bars and the slab thickness is
The fineness modulus of fine aggregate is in the range of
Maximum distance between expansion joints in structures as per IS : 456 – 1978 is
Finer grinding of cement
The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is
Due to circumferential action of the spiral in a spirally reinforced column