Building Materials Multiple Choice Questions – Set 16

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Q1. The frog of the brick in a brick masonry is generally kept on

(A) Bottom face
(B) Top face
(C) Shorter side
(D) Longer side

Answer: (B) Top face

Q2. The plastics made from cellulose resin

(A) Are as clear as glass
(B) Are tough and strong
(C) Possess excellent electrical properties
(D) All the above

Answer: (D) All the above

Q3. In a rock calcium carbonate predominates. State whether it is :

(A) Siliceous rock
(B) Argillaceous rock
(C) Calcareous rock
(D) None of these

Answer: (C) Calcareous rock

Q4. Pick up the correct statement from the following:

(A) Roasting is not necessary if iron ore is an oxide
(B) Impurities float on the molten iron as slag
(C) The slag contains lime about 45%
(D) All the above

Answer: (D) All the above

Q5. Polymerization helps to improve the property of

(A) Strength
(B) Rigidity
(C) Elasticity
(D) All of these

Answer: (D) All of these

Q6. 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: (B) Star shakes

Q7. For obtaining vinyl chloride acetate, the method used, is

(A) Addition polymerization
(B) Condensation polymerization
(C) Co-polymerization
(D) None of these

Answer: (C) Co-polymerization

Q8. For filling cracks in masonry structures, the type of bitumen used, is

(A) Cut-back bitumen
(B) Bitumen-emulsion
(C) Blown bitumen
(D) Plastic bitumen

Answer:(D) Plastic bitumen

Q9. 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: (C) Manganese steel

Q10. Whitworth compressed steel is obtained when molten steel is subjected to a pressure of

(A) 5 kg/mm2
(B) 9 kg/mm2
(C) 13 kg/mm2
(D) 15 kg/mm2

Answer:(B) 9 kg/mm2

Q11. Expanded metal is

(A) Manufactured from steel sheets
(B) Used for reinforced concrete in road pavements
(C) Measured in term of SWM (short way mesh) and LWM (long way mesh)
(D) All the above

Answer: (D) All the above

Q12. The steel used in R.C.C. work is

(A) Stainless steel
(B) Mild steel
(C) High carbon steel
(D) Wrought iron

Answer: (B) Mild steel

Q13. The normal consistency of ordinary Portland cement is about

(A) 10 %
(B) 20 %
(C) 30 %
(D) 40 %

Answer: (C) 30 %

Q14. Pick up the plutonic rock from the following:

(A) Granite
(B) Dolerite
(C) Basalt
(D) All the above

Answer: (A) Granite

Q15. Pick up the rock which is not a sedimentary rock from the following:

(A) Gravel
(B) Sand stone
(C) Gypsum
(D) Dolerite

Answer: (D) Dolerite

Building Materials MCQ SET wise with Answers

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