BUILDING MATERIALS MCQS SET 39

BUILDING MATERIALS MCQS SET 39

1. According to ISI, bitumen is classified into
(A) 2 grades
(B) 4 grades
(C) 8 grades
(D) 10 grades
Answer: Option D

2. Basalt is
(A) Sedimentary rock
(B) Metamorphic rock
(C) Extrusive igneous rock
(D) Intrusive igneous rock
Answer: Option C

3. The size of mould for bricks, is generally kept
(A) A little large to specified size
(B) A little small to specified size
(C) Equal to specified size
(D) 10% larger than specified size
Answer: Option A

4. For construction of structures under water, the type of lime used, is
(A) Hydraulic lime
(B) Fat lime
(C) Quick lime
(D) Pure lime
Answer: Option A

5. French polish is
(A) Oil paint
(B) Distemper
(C) Spirit varnish
(D) None to these
Answer: Option C

6. Ultimate strength to cement is provided by
(A) Tri-calcium silicate
(B) Di-calcium silicate
(C) Tri-calcium aluminate
(D) Tetra calcium alumino ferrite
Answer: Option B

7. Wrought iron contains carbon about
(A) 1.5% to 5.5%
(B) 0.5% to 1.75%
(C) 0.1% to 0.25%
(D) None to these
Answer: Option C

8. Galvanising means covering iron with a thin coat of
(A) Tin
(B) Zinc
(C) Glaze
(D) Coal tar
Answer: Option B

9. The rocks in which argil (or clay) predominates, are called
(A) Siliceous rocks
(B) Argillaceous rocks
(C) Calcareous rocks
(D) Igneous rocks
Answer: Option B

10. Name the type of cement from the following for canal linings:
(A) Sulphate resisting cement
(B) Rapid hardening cement
(C) Quick setting cement
(D) Pozzolana cement
Answer: Option A