Building Materials and Construction Objective Questions - Set 18 - ObjectiveBooks

Building Materials and Construction Objective Questions - Set 18

Practice Test: Question Set - 18

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

2. 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

3. 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

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

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

6. Acrylic is the name of
    (A) Cellulose resin
    (B) Alkyd resin
    (C) Methyl methacrylate
    (D) Cumarone-indene

7. The PVC doors and windows are preferred as they are
    (A) Rust proof
    (B) Rot proof
    (C) Water proof
    (D) All of these

8. The sequence of refractory materials according to increasing melting points is:
    (A) Dolomite, Magnesia, Bauxite, Chromites
    (B) Bauxite, Chromites, Dolomite, Magnesia
    (C) Magnesia, Bauxite, Dolomite, Chromites
    (D) None of these

9. Upto a maximum of 72% of iron, is available in
    (A) Magnetite
    (B) Limonite
    (C) Siderite
    (D) Iron pyrites

10. The melting point of silica is:
    (A) 1570°C
    (B) 1630°C
    (C) 1730°C
    (D) 1850°C

11. Lime stones are generally known as
    (A) Aqueous rocks
    (B) Sedimentary rocks
    (C) Stratified rocks
    (D) All the above

12. Stones used for rubble masonry must be
    (A) Soft
    (B) Hard
    (C) Light
    (D) Heavy

13. The property by virtue of which lime sets under water, is known as
    (A) Slacking
    (B) Setting
    (C) Hydraulicity
    (D) Calcining

14. Porcelain is used as:
    (A) Sanitary wares
    (B) Electric insulators
    (C) Storage vessels
    (D) Reactor chambers

15. The lime which contains high percentage of calcium oxide, is generally called
    (A) Fat lime
    (B) Rich lime
    (C) White lime
    (D) None of these

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