BUILDING MATERIALS MCQS SET 32

BUILDING MATERIALS MCQS SET 32

1. Quartzite, a metamorphic stone is
(A) Hard
(B) Brittle
(C) Crystalline
(D) All the above
Answer: Option D

2. If water required for 1 bag of cement is 30 litres, the water cement ratio is:
(A) 0.40
(B) 0.50
(C) 0.60
(D) None of these
Answer: Option C

3. A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called
(A) Slate
(B) Plank
(C) Board
(D) Strip
Answer: Option D

4. The percentage of water for normal consistency, is
(A) 5% to 15%
(B) 10% to 25%
(C) 15% to 25%
(D) 20% to 30%
Answer: Option C

5. Pick up the correct statement from the following:
(A) The baked earth is called terra-cotta
(B) The articles prepared from clay which is burnt at low temperature and cooled down slowly,
are called earthen-ware
(C) The articles prepared from refractory clays which as mixed with stone and crushed pottery,
are called stone ware
(D) All the above
Answer: Option D

6. In a rock calcium carbonate predominates. State whether it is:
(A) Siliceous rock
(B) Argillaceous rock
(C) Calcareous rock
(D) None of these
Answer: Option C

7. The cracks which extend from bark towards the sap wood in the cross section of a tree, are called
(A) Radial shakes
(B) Star shakes
(C) Heart shakes
(D) Cup shakes
Answer: Option B

8. The steel used for rails under heavy traffic and on sharp curves, is
(A) Nickel steel
(B) Chrome steel
(C) Manganese steel
(D) Vanadium steel
Answer: Option C

9. The steel used in R.C.C. work is
(A) Stainless steel
(B) Mild steel
(C) High carbon steel
(D) Wrought iron
Answer: Option B

10. Pick up the rock which is not a sedimentary rock from the following:
(A) Gravel
(B) Sand stone
(C) Gypsum
(D) Dolerite
Answer: Option D