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Civil Engineering - Building Materials

Exercise : Building Materials - Section 4
31.
Pick up the correct statement from the following:
The baked earth is called terra-cotta
The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called earthen-ware
The articles prepared from refractory clays which as mixed with stone and crushed pottery, are called stone ware
The articles prepared from fine earthen ware which is white, thin and semi-transparent, are called procelain
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Calcination of iron ores is done
to remove moisture
to remove carbonic acid
by roasting in heaps
after dressing
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Strength of cement concrete primarily depends upon
quality of water
quantity of aggregate
quantity of cement
water-cement ratio.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Rapid hardening cement contains
Tri-calcium silicate
Tri-calcium aluminate
Tetra-calcium alumino-ferrite
Dicalcium silicate.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Bitumen emulsion is
a liquid containing bitumen in suspension
a paint
used as anti-corrosive paint
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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