| 1. | The pitch of stair should never exceed ? | |
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20?
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25?
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30?
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40?
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Report Question| 2. | The minimum thickness of a wall in stone masonry should not be less than ? | |
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100 mm
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200 mm
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350 mm
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450 mm
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| 3. | The projecting part of the tread beyond the face of riser is called ? | |
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pitch
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nosing
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baluster
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stringer
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| 4. | When the pile is driven by means of water jets, water is forced through the jet pipe under a pressure of ? | |
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0.2 to 0.5 N/mm²
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0.5 to 0.7 N/mm²
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0.7 to 1.75 N/mm²
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1.75 to 2.5 N/mm²
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| 5. | In a flat arch, the skew back is made to rest in an inclined position so as to make an angle ............. with the springing line ? | |
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30°
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40°
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50°
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60°
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| 6. | The bottom or lowermost horizontal part of a window frame is known as ? | |
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sill
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mullion
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transom
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horn
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