Concrete Technology - Part 1 Online Exam Quiz
Concrete Technology - Part 1 GK Quiz. Question and Answers related to Concrete Technology - Part 1. MCQ (Multiple Choice Questions with answers about Concrete Technology - Part 1
If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage of water is,
Options
A : 20%
B : 25%
C : 30%
D : 35%
W p and W f are the weights of a cylinder containing partially compacted and fully compacted concrete. If the compaction factor is 0.95, the workability of concrete is
Options
A : extremely low
B : very low
C : low
D : high
M10 grade of concrete approximates
Options
A : 1 : 3 : 6 mix
B : 1 : 1 : 2 mix
C : 1 : 2 : 4 mix
D : 1 : 1.5 : 3 mix
For ensuring quality of concrete, use
Options
A : single sized aggegates
B : two sized aggregate
C : graded aggregates
D : coarse aggregates.
The mixture of different ingredients of cement, is burnt at
Options
A : 1000°C
B : 1200°C
C : 1400°C
D : 1600°C
The risk of segregation is more for
Options
A : wetter mix
B : larger proportion of maximum size aggregate
C : coarser grading
D : all the above.
After casting, an ordinary cement concrete on drying
Options
A : expands
B : mix
C : shrinks
D : none of these.
Hydration of cement is due to chemical action of water with
Options
A : Tricalcium silicate and dicalcium silicate
B : Dicalcium silicate and tricalcium aluminate
C : Tricalcium aluminate and tricalcium alumino ferrite
D : All the above.
To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between
Options
A : 1100° and 1200°C
B : 1200° and 1300°C
C : 1300° and 1400°C
D : 1400° and 1500°C
The standard sand now a days used in India, is obtained from
Options
A : Jaipur (Rajasthan)
B : Jullundur (Punjab)
C : Hyderabad (Andhra Pradesh)
D : Ennore (Madras)
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