If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is
Options
A.
B.
C.
D.
E.
Correct Answer
More questions
1. The increased cohesiveness of concrete, makes it
Options
A. less liable to segregation
B. more liable to segregation
C. more liable to bleeding
D. more liable for surface scaling in frosty weather