Building Construction Materials - Building Construction Materials objective questions and answers
31. Dampness causes
A. Efflorescence
B. Bleaching of paints
C. Crumbling of plaster
D. Growth of termites
✔ View Answer
D. Growth of termites
✍ Your Comments
32. The depth of excavation of foundations is generally measured with a
A. Ranging Rod
B. Steel tape
C. Levelling staff
D. Bonning rod
✔ View Answer
✍ Your Comments
33. The black cotton soil
A. Has high bearing capacity
B. Gives bad appearance to building due to black colours
C. Has negligible permeability
D. Undergoes large volumetric change with moisture
✔ View Answer
✍ Your Comments
34. The points of low sound intensity causing unsatisfactory hearing are called
A. Echoes
B. Fringes
C. Dead spots
D. Foci
✔ View Answer
✍ Your Comments
35. Mastic
A. A rich lime concrete mixture
B. Cement concrete in the ratio of 1 : 2 : 3
C. Cement concrete mixture prepared with proofing compound
D. A preparation of bitumen used for water proofing and damp proofing etc.
✔ View Answer
✍ Your Comments