Civil Engineering Building Construction Important MCQs – 4

31​​ 

A stair should not have pitch more than​​ 

  • 25°​​ 

  • 30°​​ 

  • 40°​​ 

  • 50°​​ 

Answer: Option C​​ 

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32​​ 

Depth or height of the arch is the​​ 

  • Perpendicular distance between intrados and extrados​​ 

  • Vertical distance between springing line and intrados​​ 

  • Perpendicular distance between springing line and extrados​​ 

  • None of the above​​ 

Answer: Option A​​ 

33​​ 

Pick up the correct statement from the following:​​ 

  • The pile driven in sand is called sand pile​​ 

  • The drilled hole filled with sand is called sand pile​​ 

  • The sand piles are used for bearing purposes​​ 

  • None of these​​ 

Answer: Option A​​ 

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34​​ 

A wall constructed to resist the pressure of an earth filling, is called​​ 

  • Retaining wall​​ 

  • Breast wall​​ 

  • Buttress​​ 

  • Parapet wall​​ 

Answer: Option A​​ 

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35​​ 

Two columns 50 cm × 50 cm and 60 cm × 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m2. If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following:​​ 

  • Distance of C.G. of the loads from the smaller column = 3.00 m​​ 

  • The length of the foundation slab = 7.00 m​​ 

  • Area of footing slab = 11.00 m2​​ 

  • All the above​​ 

Answer: Option D​​ 

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36​​ 

Pitched and sloping roofs are suitable for​​ 

  • Coastal regions​​ 

  • Plain regions​​ 

  • Covering large areas​​ 

  • All of the above​​ 

Answer: Option A​​ 

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37​​ 

A wooden block hinged on post outside a door, is known​​ 

  • Cleat​​ 

  • Stop​​ 

  • Horn​​ 

  • None of these​​ 

Answer: Option A​​ 

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38

If a is the offset of concrete bed in cms, and d is the depth of concrete bed in cms, then​​ 

  • d​​ = 0.445​​ a​​ 

  • d​​ = 0.557​​ a​​ 

  • d​​ = 0.775​​ a​​ 

  • None of these​​ 

Answer: Option C​​ 

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39​​ 

In high mountainous region, the type of roof generally recommended for buildings, is​​ 

  • Shed type​​ 

  • Gable type​​ 

  • Gambrel type​​ 

  • Mansard type​​ 

Answer: Option C​​ 

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40​​ 

The function of cleats in a roof truss is​​ 

  • To support the common rafter​​ 

  • To support purlins​​ 

  • To prevent the purlins from tilting​​ 

  • All of the above​​ 

Answer: Option C