| 1. | The dolomite bricks are ? | |
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ordinary bricks
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acid refractory bricks
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basic refractory bricks
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neutral refractory bricks
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Report Question| 2. | The commonly used lime for works under water or in damp situations is ? | |
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fat lime
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lean lime
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feebly hydraulic lime
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eminently hydraulic lime
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| 3. | The commonly used lime in white washing is ? | |
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quick lime
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fat lime
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lean lime
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hydraulic lime
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| 4. | Granite is an example of ? | |
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aqueous rocks
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sedimentary rocks
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metamorphic rocks
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igneous rocks
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| 5. | Argillaceous rocks have their main constituent as ? | |
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carbonates of lime
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clay or alumina
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silica or sand
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clay or alumina
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| 6. | The vehicle used in bronze paints is usually ? | |
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linseed oil
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naptha
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water
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nitro-cellulose lacquer
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| 7. | The crushing strength of a stone depends upon ? | |
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texture
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specific gravity
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workability
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both (a) and (b)
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| 8. | Excess of alumina in the clay ? | |
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makes the brick brittle and weak
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makes the brick crack and warp on drying
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changes colour of the brick from red to yellow
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improves impermeability and durability of the brick
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| 9. | Jhama bricks are ? | |
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well burnt having smooth and even surface
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slightly over burnt having rough surface
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under burnt and can be easily broken
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over burnt with irregular shape
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| 10. | Quick lime is a ? | |
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carbonate of lime
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oxide of calcium
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product left immediately after the calcination of pure limestone
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lime quickly treated with water
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