71 The projection of head or sill of a door or window frame is

  • [A] transoms
  • [B] horns
  • [C] stops
  • [D] chocks

Correct Answer is: [B] horns

72 The ratio of volume of voids to the volume of soil solids in a given soil mass is known as

  • [A] porosity
  • [B] specific gravity
  • [C] void ratio
  • [D] water content

Correct Answer is: [C] void ratio

73 Pile foundations are suitable for

  • [A] Waterlogged soil
  • [B] rocky soil
  • [C] compact soil
  • [D] single-storeyed building

Correct Answer is: [A] Waterlogged soil

74 A good building stone should not absorb water more than

  • [A] 5%
  • [B] 10%
  • [C] 15%
  • [D] 20%

Correct Answer is: [A] 5%

75 Le Châtelier's device is used for determining the

  • [A] setting time of cement
  • [B] soundness of cement
  • [C] tensile strength of cement
  • [D] compressive strength of cement

Correct Answer is: [B] soundness of cement

76 The rocks formed by gradual deposition are called

  • [A] sedimentary rocks
  • [B] igneous rocks
  • [C] metamorphic rocks
  • [D] None of the above

Correct Answer is: [A] sedimentary rocks

77 The deformation of the shape of bricks caused by the rainwater falling on the hot bricks is known as

  • [A] spots
  • [B] checks
  • [C] chuffs
  • [D] blisters

Correct Answer is: [C] chuffs

78 The initial setting time for ordinary Portland cement as per IS specification should not be less than

  • [A] 15 minutes
  • [B] 30 minutes
  • [C] 45 minutes
  • [D] 60 minutes

Correct Answer is: [B] 30 minutes

79 The bulking of sand is due to

  • [A] increase in space between two particles caused by surface tension effect of moisture
  • [B] the swelling of air in voids
  • [C] the viscous effect of moisture
  • [D] None of the above

Correct Answer is: [A] increase in space between two particles caused by surface tension effect of moisture

80 Formation of whitish deposit on the bricks due to the presence of excess salt is called

  • [A] efflorescence
  • [B] disintegration
  • [C] warping
  • [D] floating

Correct Answer is: [A] efflorescence

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Civil Engineering MCQ Practice Tests

This collection of civil engineering multiple choice questions covers important topics in building materials, soil mechanics, foundations, and construction techniques. These questions are designed to help students prepare for competitive exams, university tests, and interviews in the field of civil engineering.

Building Materials Questions

Our building materials MCQs cover essential concepts like door and window frame components, properties of good building stones, cement tests like Le Châtelier's device for soundness, initial setting time of cement, types of rocks, brick defects like chuffs and efflorescence, and the bulking of sand phenomenon.

Soil Mechanics and Foundations

The soil mechanics section includes questions on void ratio, pile foundations and their suitability for different soil conditions like waterlogged soil. These questions are crucial for those preparing for geotechnical engineering exams and practical field applications.

Construction Techniques

Our construction MCQs cover important topics like components of door and window frames, properties of building materials, and identification of common construction material defects. These questions are essential for construction management and building design professionals.