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Nhbrc Questions 066 to 070

HomeNhbrc Questions 066 to 070


66)The minimum bearing of concrete floors on load bearing walls are?
a)90 mm
b)75 mm
c)50 mm
d)20 mm



67)What is the minimum slab thickness for a non – load bearing wall?
a)150 mm
b)200 mm
c)250 mm
d)400 mm



68)To consistently control & monitor the levelness of masonry construction you will make use of?
a)Dumpy level
b)Builder’s square
c)Spirit level
d)Profile & gauge lines



69)Masonry walling shall not overhang concrete foundations slabs by more than…. ?
a)50 mm
b)45 mm
c)25 mm
d)20 mm



70)Masonry walls shall not be laid when the temperature is
a)Less than 0 degrees Celsius
b)Less than 5 degrees Celsius
c)More than 15 degrees Celsius
d)More than 25 degrees Celsius



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