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Nhbrc Questions 076 to 080

HomeNhbrc Questions 076 to 080

NHBRC QUESTIONS 76 - 80

76)What is the minimum thickness of the first bed joint above a supporting element (Foundation , slab or lintel)?
a)5 mm
b)10 mm
c)15 mm
d)35 mm

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77)The maximum thickness of the first bed joint must not be more than
a)35 mm
b)30 mm
c)60 mm
d)None of the above

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78)In burnt clay masonry units, control joints shall generally be provided at minimum intervals of?
a)4 m wide
b)6 m wide
c)9 m wide
d)12 m wide

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79)The permissible deviation (PD) for perpend joint thickness in housing units is?
a)-5 + 20 mm
b)-10 + 15 mm
c)-5 + 15 mm
d)-5 + 10 mm

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80)The permissible deviation (PD) for first bed joint thickness (above foundation) in housing units is
a)-5 + 25 mm
b)-10 + 35 mm
c)-5 + 20 mm
d)-5 + 10 mm

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