IndiaBIX

Civil Engineering - Concrete Technology

Exercise : Concrete Technology - Section 1
11.
After casting, an ordinary cement concrete on drying
expands
mix
shrinks
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Hydration of cement is due to chemical action of water with
Tricalcium silicate and dicalcium silicate
Dicalcium silicate and tricalcium aluminate
Tricalcium aluminate and tricalcium alumino ferrite
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between
1100° and 1200°C
1200° and 1300°C
1300° and 1400°C
1400° and 1500°C
1500° and 1600°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Permissible compressive strength of M 300 concrete grade is
100 kg/cm2
150 kg/cm2
200 kg/cm2
250 kg/cm2
300 kg/cm2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The standard sand now a days used in India, is obtained from
Jaipur (Rajasthan)
Jullundur (Punjab)
Hyderabad (Andhra Pradesh)
Ennore (Madras)
Cuttuck (Orissa).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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