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Civil Engineering - Concrete Technology

Exercise : Concrete Technology - Section 5
26.
Pick up the correct statement from the following:
The bulk density of fine aggregate is usually about 10 per cent more than that of coarse aggregate of similar composition
The specific gravity of aggregate is important for the determination of the moisture content
The absorption and porosity of an aggregate influence the property of the concrete
A highly absorptive aggregate reduces the workability of concrete considerably
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Horizontal construction joints in concrete walls are generally provided at
soffit level
window sill level
floor level
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Pick up the correct statement from the following:
Construction joints in columns are provided a few cm below the junction of beam
Construction joints in columns are provided at the bottom haunching
Construction joints in beams and slabs are provided within middel third
Constructionjoints are generally provided in positions subjected to least shear force
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
For a concrete mix 1:3:6 and water cement ratio 0.6 both by weight, the quantity of water required per bag, is
10 kg
12 kg
14 kg
16 kg
20 kg
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
The concrete mix which causes difficulty in obtaining a smooth finish, possess
segregation
internal friction
harshness
bleeding
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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