Q1. Bitumen is generally obtained from
(A) Organic material
(B) Synthetic material
(C) Petroleum product
(D) Coal

Q2. The main constituent which imparts hydraulicity to hydraulic lime is
(A) Calcium oxide
(B) Silica
(C) Clay
(D) Water

Q3. Calcination of iron ores is done
(A) To remove moisture
(B) To remove carbonic acid
(C) By roasting in heaps
(D) All the above

Q4. Which of the following cements is suitable for use in massive concrete structures such as large dams?
(A) Ordinary Portland cement
(B) Low heat cement
(C) Rapid hardening cement
(D) Sulphate resisting cement

Q5. The commonly used thinner in oil paints, is
(A) Naphtha
(B) Turpentine
(C) Both (a) and (b)
(D) None the these

Q6. Minimum thickness of wall where single Flemish bond can be used is
(A) Half brick thick
(B) One brick thick
(C) One and a half bricks thick
(D) Two bricks thick

Q7. The pigment used in paints for corrosive resistance, is
(A) White lead
(B) Ferrous oxide
(C) Zinc white
(D) Red lead

Q8. Slate is formed by metamorphic action on
(A) Shale
(B) Lime stone
(C) Sand stone
(D) Granite

Q9. Sea sand used in structures causes
(A) Dampness
(B) Efflorescence
(C) Disintegration
(D) All of these

Q10. The trunk of tree left after cutting all the branches is known as
(A) Log
(B) Batten
(C) Plank
(D) Baulk