DM G+1 STUDY EXAMS GUIDE QUESTIONS AND
ANSWERS SET A+
✔✔As per DM rules the lap length usually used is ___ for reinforcement - ✔✔50D
✔✔As per DM rule for beams, depth more ___ shrinkage bars should be used on each
face of beam - ✔✔700mm
✔✔The clear cover for strap beam is? - ✔✔30mm
✔✔The purpose of integrity test on piles in deep foundation is? - ✔✔To find necking, to
find bulging, to find cracks
✔✔Integrity test on RCC piles is done after no sooner than ___ days after casting -
✔✔7
✔✔The minimum percentage of steel in beam as per BS Standards is? - ✔✔0.8%
✔✔For water used in construction, the PH value is not ____ than 6 - ✔✔Less
✔✔In bottom layer of Raft foundation, the overlap is provided ___ - ✔✔Away from the
column
✔✔Smidth hammer is a non-destructive test for? - ✔✔Concrete
✔✔If a site engineer forgets to cast concrete cubes for test, then what should the site
engineer do? - ✔✔Site engineer should check with the plant if they made the cubes or
do core test
, ✔✔What are the documents to be available with the contractor prior to the start of the
project? - ✔✔Building permit, NOC from authorities like (RTA, DEWA), Approved
Drawings, Contract and Trade License
✔✔For G+3 buildings in Dubai, usually ___ foundation is used. - ✔✔Isolated Footing
✔✔As per DM, tall buildings are those of minimum ___ meter height measured from
ground. - ✔✔60m
✔✔Which test is done before casting the concrete in Dubai? - ✔✔Slump Test and
Temperature Test
✔✔The formwork of columns can be removed after? - ✔✔1 Day
✔✔After 7 days of compressive strength test of cubes, what is the minimum value
should be accepted? - ✔✔65%
✔✔SRC concrete is used in the construction in? - ✔✔Piling Work, Direct contact with
soil and contact with water
✔✔Workability of concrete is measured by? - ✔✔Slump Cone
✔✔The initial setting time of normal cement concrete is? - ✔✔30 minutes
✔✔What is the standard size of cubes taken for compressive strength test? -
✔✔150x150mm
✔✔Why polythene sheet is used under the footing of the buildings? - ✔✔To stop water
seepage
✔✔If the 28 days result of the cubes compressive test is not satisfactory then what
should we do? - ✔✔Take core samples
✔✔We provide strap beams in foundation or footing to avoid ____ - ✔✔Overturning
✔✔The design of strap beam shows that the reinforcement is more in the? - ✔✔Top
✔✔After how many days can we remove the shuttering of 3.75mx4.75m room slab? -
✔✔10 Days
✔✔Expansion joints are provided in big structure to avoid? - ✔✔Thermal Effect or
Cracks
ANSWERS SET A+
✔✔As per DM rules the lap length usually used is ___ for reinforcement - ✔✔50D
✔✔As per DM rule for beams, depth more ___ shrinkage bars should be used on each
face of beam - ✔✔700mm
✔✔The clear cover for strap beam is? - ✔✔30mm
✔✔The purpose of integrity test on piles in deep foundation is? - ✔✔To find necking, to
find bulging, to find cracks
✔✔Integrity test on RCC piles is done after no sooner than ___ days after casting -
✔✔7
✔✔The minimum percentage of steel in beam as per BS Standards is? - ✔✔0.8%
✔✔For water used in construction, the PH value is not ____ than 6 - ✔✔Less
✔✔In bottom layer of Raft foundation, the overlap is provided ___ - ✔✔Away from the
column
✔✔Smidth hammer is a non-destructive test for? - ✔✔Concrete
✔✔If a site engineer forgets to cast concrete cubes for test, then what should the site
engineer do? - ✔✔Site engineer should check with the plant if they made the cubes or
do core test
, ✔✔What are the documents to be available with the contractor prior to the start of the
project? - ✔✔Building permit, NOC from authorities like (RTA, DEWA), Approved
Drawings, Contract and Trade License
✔✔For G+3 buildings in Dubai, usually ___ foundation is used. - ✔✔Isolated Footing
✔✔As per DM, tall buildings are those of minimum ___ meter height measured from
ground. - ✔✔60m
✔✔Which test is done before casting the concrete in Dubai? - ✔✔Slump Test and
Temperature Test
✔✔The formwork of columns can be removed after? - ✔✔1 Day
✔✔After 7 days of compressive strength test of cubes, what is the minimum value
should be accepted? - ✔✔65%
✔✔SRC concrete is used in the construction in? - ✔✔Piling Work, Direct contact with
soil and contact with water
✔✔Workability of concrete is measured by? - ✔✔Slump Cone
✔✔The initial setting time of normal cement concrete is? - ✔✔30 minutes
✔✔What is the standard size of cubes taken for compressive strength test? -
✔✔150x150mm
✔✔Why polythene sheet is used under the footing of the buildings? - ✔✔To stop water
seepage
✔✔If the 28 days result of the cubes compressive test is not satisfactory then what
should we do? - ✔✔Take core samples
✔✔We provide strap beams in foundation or footing to avoid ____ - ✔✔Overturning
✔✔The design of strap beam shows that the reinforcement is more in the? - ✔✔Top
✔✔After how many days can we remove the shuttering of 3.75mx4.75m room slab? -
✔✔10 Days
✔✔Expansion joints are provided in big structure to avoid? - ✔✔Thermal Effect or
Cracks
