Building Materials - Section 2 Multiple Questions and Answers.




36.Sewer pipes are made of
A. earthen ware
B. stone ware
C. refractory clay
D. terracota

37.Fibre glass
A. retains heat-longer
B. has a higher strength to weight ratio
C. is shock proof and fire retardent
D. All the above.

38.Pick up the correct statement from the following:
A. The theory of formation of concrete is based on the phenomena of formation of voids
B. The bulking of sand is taken into account while volumetric proportioning of the aggregates
C. The dry sand and the sand completely flooded with water, have practically the same volume
D. All the above.

39.Pick up the correct statement from the following:
A. In stone arches, the stones are placed with their natural beds radial
B. In cornices, the stones are placed with their natural beds as vertical
C. In stone walls, the stones are placed with their natural beds as horizontal
D. All the above.

40.The commonly used colour pigment in paints, is
A. ambers
B. carbon black
C. iron oxide
D. all the above.

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