Question

For a normal RCC work, the slump of concrete should be in the range of ______

• A. 0 - 25 mm
• B. 25 - 50 mm
• C. 80 - 150 mm
• D. 50 - 125 mm

Answer 1

The correct option is C 80 - 150 mm

Recommended slumps of concrete:
No.	Type of concrete	Slump
1	Concrete for road construction	20 to 40 mm
2	Beams and slabs	50 to 100 mm
3	Mass concrete	25 to 50 mm
4	Normal RCC works	80 to 150 mm
5	Impermeable work	75 to 120 mm
6	Concrete to be vibrated	10 to 20 mm