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Building Materials - section-9
  1. The portion of a brick cut to form angles other than right angles in plan, is known as

    2. A.

     Queen closer
    B.

     King closer
    C.

     Closer
    D.

     Squint brick

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  2. Plastic

    3. A.

     Is an organic substance
    B.

     Consists of natural or synthetic binders
    C.

     Finished products are rigid and stable at normal temperature
    D.

     All the above

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  3. Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as

    4. A.

     Bessemer pig
    B.

     Grey or foundry pig
    C.

     White or forge pig
    D.

     Mottled pig

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  4. Glazing of clay products, is done

    5. A.

     To improve their appearance
    B.

     To protect them from atmospheric effect
    C.

     To protect them from corrosive action
    D.

     All the above

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  5. Putty is

    6. A.

     Made with finely powdered chalk and linseed oil
    B.

     Used for fixing glass panes
    C.

     Softened by a solution of pearl ash and quick-lime soaked in water
    D.

     All the above

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  6. Sapwood consists of

    7. A.

     Innermost annular rings around the pith
    B.

     Portion of timber between heartwood and cambium layer
    C.

     Thin layers below the bark
    D.

     Thin fibre which extends from the pith outwards and holds the annular rings together

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  7. Quartzite is a

    8. A.

     Metamorphic rock
    B.

     Argillaceous rock
    C.

     Calcareous rock
    D.

     Siliceous rock

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  8. A queen closer is a

    9. A.

     Brick laid with its length parallel to the face or direction of wall
    B.

     Brick laid with its breadth parallel to the face or direction of wall
    C.

     Brick having the same length and depth as the other bricks but half the breadth
    D.

     Brick with half the width at one end and full width at the other

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  9. Quick lime

    10. A.

     Generates heat when added to water
    B.

     Reacts with carbon dioxide
    C.

     May be used for white-washing
    D.

     All the above

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  10. Quick lime is

    11. A.

     Calcium carbonate
    B.

     Calcium oxide
    C.

     Calcium hydroxide
    D.

     None of the above

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