New to site?


Lost password? (close)

Already have an account?



Nhbrc Questions 051 to 055

HomeNhbrc Questions 051 to 055


51)What is the maximum height of a masonry foundation wall where the fill is retained behind a 220mm nominal wall thickness?
a)0,4 M
b)0,7 M
c)0,9 M
d)1,8 M



52)What is the maximum height of a foundation wall that is not acting as a retaining wall?
a)1,0 M
b)1,5 M
c)2,0 M
d)2,5 M



53)What is the minimum difference in ground levels (h) for 110 -110 cavity retaining wall?
a)600 mm
b)700 mm
c)1000 mm
d)1200 mm



54)What is the expected grade/strength of infill concrete in a cavity wall?
a)5 MPa
b)10 Mpa
c)15 Mpa
d)25 Mpa



55)In the cavity wall construction, the cavity shall not be less than?
a)50 mm
b)110 mm
c)150 mm
d)200 mm



Apply Now