Building Materials - Building Materials objective questions and answers
21. A light-weight building should use for its construction
A. Plaster of Paris
B. Lead-zinc alloy
C. Hollow bricks
D. Glass-reinforced plastics
✔ View Answer
D. Glass-reinforced plastics
✍ Your Comments
22. Toughness of stone aggregate is determined by
A. Impact test
B. Hardness test
C. Ultimate strength
D. Endurance test
✔ View Answer
✍ Your Comments
23. The crushing value of good quality aggregate shown
A. Less than 30%
B. Between 40% to 60%
C. Above 30%
D. Less than 70%
✔ View Answer
✍ Your Comments
24. Dextrine is
A. Animal glue
B. Starch glue
C. Albumin glue
D. Rubber based adhesive
✔ View Answer
✍ Your Comments
25. Sewer pipes are made of
A. Earthen ware
B. Stone ware
C. Refractory ware
D. Terracotta
✔ View Answer
✍ Your Comments