Civil Engineering Building Construction Important MCQs – 10

91​​ 

The concrete slump recommended for foundations, is​​ 

  • 25 to 50 mm​​ 

  • 30 to 125 mm​​ 

  • 50 to 100 mm​​ 

  • 75 to 125 mm​​ 

Answer: Option C​​ 

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92​​ 

Pick up the correct statement from the following:​​ 

  • In a king post truss, principal rafter and tie beams are jointed together with a bridle joint​​ 

  • Joint between the principal rafter and the king post is made by making tenon and mortise respectively​​ 

  • Joint between strut and king post, is generally of mortise and tenon type​​ 

  • All the above​​ 

Answer: Option D​​ 

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93​​ 

Sum of tread and rise must lie between​​ 

  • 300 to 350 mm​​ 

  • 400 to 450 mm​​ 

  • 500 to 550 mm​​ 

  • 600 to 650 mm​​ 

Answer: Option B​​ 

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94​​ 

In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to​​ 

  • 15 mm​​ 

  • 25 mm​​ 

  • 35 mm​​ 

  • 45 mm​​ 

Answer: Option B​​ 

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95​​ 

In soft clay of low bearing capacity, the type of steel pile generally used, is​​ 

  • H-pile​​ 

  • Screw pile​​ 

  • Disc pile​​ 

  • Pipe pile​​ 

Answer: Option B​​ 

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96​​ 

Gravels​​ 

  • Are cohesionless aggregates​​ 

  • Vary in size between 2 to 20 mm​​ 

  • Never swell when they come into contact with water​​ 

  • All the above​​ 

Answer: Option D​​ 

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97​​ 

The differential settlement in case of foundations on sandy soils should not exceed​​ 

25 mm​​ 

40 mm​​ 

65 mm​​ 

100 mm​​ 

Answer: Option A​​ 

98​​ 

An arch constructed with finely dressed stones, is known​​ 

  • Ashlar arch​​ 

  • Rubble arch​​ 

  • Gauged arch​​ 

  • Axed arch​​ 

Answer: Option A​​ 

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99​​ 

Pick up the correct statement from the following:​​ 

  • Lime mortar with cement in the ratio of in 10 is cheaper and better for outside plaster​​ 

  • For very cold or very hot climate, a compact and closed plan should be provided​​ 

  • On the sea coast, an exposed and open house is generally preferred​​ 

  • All the above​​ 

Answer: Option D​​ 

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100​​ 

Weep holes are provided in retaining and breast walls​​ 

  • To drain off the water from the filling​​ 

  • To ventilate the stone masonry​​ 

  • To add architectural beauty​​ 

  • To increase compaction of the earth retained​​ 

Answer: Option A​​