Civil Engineering Building Construction Important MCQs – 12

111​​ 

In the method of tube boring of soil investigation, the following is essential:​​ 

  • A tube of about 2 metres length and 20 cm diameter with a cutting edge​​ 

  • A flap valve at the bottom of tube is provided to extract the soil sample​​ 

  • The tube is raised and lowered by 4 thick rope moving over a pulley suspended on a tripod stand​​ 

  • All the above​​ 

Answer: Option D​​ 

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112​​ 

Slate​​ 

  • Is a metamorphic rock​​ 

  • Splits into thin sheets along its bedding planes​​ 

  • Has a smooth surface and contains alumina and silica​​ 

  • Possesses good water absorption capacity​​ 

Answer: Option A​​ 

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113​​ 

The minimum depth of foundation in clayey soils is​​ 

  • 0.5 m​​ 

  • 0.7 m​​ 

  • 0.9 m​​ 

  • 1.2 m​​ 

Answer: Option C​​ 

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114​​ 

In case of Raymond pile​​ 

  • Lengths vary from 6 m to 12 m​​ 

  • Diameter of top of piles varies from 40 cm to 60 cm​​ 

  • Diameter of pile at bottom varies from 20 cm to 28 cm​​ 

  • All the above​​ 

Answer: Option D​​ 

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115​​ 

Herringbone bond is used for​​ 

  • Walls having thickness more than 4 bricks​​ 

  • Architectural finish to the face work​​ 

  • Ornamental panels in brick flooring​​ 

  • All the above​​ 

Answer: Option D​​ 

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116​​ 

Suitable spacing of timber piles, is​​ 

  • 50 cm​​ 

  • 60 cm​​ 

  • 80 cm​​ 

  • 90 cm​​ 

Answer: Option D​​ 

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117​​ 

The disease of dry rot in timber is caused by​​ 

  • Lack of ventilation​​ 

  • Alternate wet and dry conditions​​ 

  • Complete submergence in water​​ 

  • None of the above​​ 

Answer: Option A​​ 

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118​​ 

Pick up the correct statement from the following:​​ 

  • Louvered door is generally provided in bath rooms​​ 

  • Flush door is generally provided in dining room​​ 

  • Revolving door is generally provided in cinema halls​​ 

  • Sliding door is generally provided in show rooms​​ 

Answer: Option C​​ 

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119​​ 

The minimum distance between the centres of bulb of diameter du, of a multi under reamed piles, is​​ 

  • du​​ 

  • 1.25 du​​ 

  • 1.5 du​​ 

  • 1.75 du​​ 

Answer: Option C​​ 

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120​​ 

The stone masonry of finely dressed stones laid in cement or lime, is​​ 

  • Random rubble masonry​​ 

  • Coursed rubble masonry​​ 

  • Dry rubble masonry​​ 

  • Ashlar masonry​​ 

Answer: Option D​​ 

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