Q81. Which type of bond is used in brick masonry?
Correct: English bond
English bond alternates headers and stretchers.
Q82. What is the California Bearing Ratio (CBR)?
Correct: Test for soil strength
CBR evaluates subgrade strength for pavements.
Q83. Which material is used for sound insulation?
Correct: Fiberglass
Fiberglass absorbs sound waves effectively.
Q84. What is a truss?
Correct: Framework of triangles
Trusses provide efficient support for roofs and bridges.
Q85. Which process removes impurities from water?
Correct: Filtration
Filtration is key in water treatment plants.
Q86. What is the purpose of a shear wall?
Correct: Resist lateral forces
Shear walls provide stability against wind and earthquakes.
Q87. Which type of cement sets quickly?
Correct: Rapid hardening cement
Used for urgent repairs and cold weather concreting.
Q88. What is a contour line?
Correct: Line of equal elevation
Contours represent topography on maps.
Q89. Which test measures soil permeability?
Correct: Permeability test
It determines how water flows through soil.
Q90. What is prestressed concrete?
Correct: Concrete with induced compression
Prestressing counteracts tensile stresses.
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