Building Materials and Construction

1. better workability
2. better resistance to freezing and thawing
3. lesser workability
4. less resistance to freezing and thawing The correct answer is:

A. (1) and (2)
B. (1)and(4)
C. ((2)and (3)
D. (3)and (4)

A. (1) and (2)
B. (2) and (3)
C. (3) and (4)
D. (1)and(4)

A. stronger
B. more compact
C. costly
D. none of the above

A. 25 mm
B. 40 mm
C. 65 mm
D. 100 mm

A. raft foundation
B. grillage foundation
C. well foundation
D. isolated footing

A. there is no horizontal tie beam
B. there is a horizontal tie at the feet of rafters only
C. there is a horizontal tie at almost the middle of rafters only
D. there are two horizontal ties, one at the feet and other at the middle of the rafters

A. the underside of a stair
B. outer projecting edge of a tread
C. a sloping member which supports the steps in a stair
D. a vertical member between two treads

A. 2
B. 3
C. 5
D. no limit

A. balusters
B. newal posts
C. balustrades
D. railings

A. equal to width of stairs
B. half the width of stairs
C. twice the width of stairs
D. one fourth the width of stairs