DM G+1 CORE MAIN QUESTIONS AND ANSWERS SET
A+
✔✔Depth of slab depend upon? - ✔✔Modification Factor
✔✔Workability of concrete depends upon? - ✔✔Water Content, Gradation and
admixtures, and Aggregate shape and size
✔✔High temperature ___ the strength of concrete. - ✔✔Decrease
✔✔Which of the following is not the characteristic of hard concrete? - ✔✔Soft
✔✔Fly ash a by product of coal fired electric generating plants is used to partially
replaced OPC by ____ - ✔✔60% by mass
✔✔The minimum thickness of slab should be? - ✔✔125mm
✔✔The ratio of larger span to shorter span for the one way slab is ____ - ✔✔Greater
than 2
✔✔Open stirrups are provided principally to resist ___ forces in concrete beams -
✔✔Shear
✔✔U-shaped stirrups are placed in the ___ side of beams in which shear cracks would
occur - ✔✔Tension
✔✔The density of wood is ___? - ✔✔1500Kg/m3
✔✔Workability of concrete can be checked by ___ - ✔✔By pouring in cone and
measure the flow
, ✔✔To resist the sides earth soil fall, type of wall used is ___ - ✔✔Retaining Wall
✔✔The members which support covering material of a sloping roof are ___ - ✔✔Rafters
✔✔A wooden block hinged on post outside a door is known as? - ✔✔Cleat
✔✔The window which is provided in flat roof of a room is known as? - ✔✔Lantern
✔✔Weep holes are provided in retaining and breast walls to? - ✔✔To drain off the
water from the filling
✔✔Pitched and sloping roofs are suitable for? - ✔✔Coastal Regions
✔✔The maximum number of steps in a flight should generally be restricted to? - ✔✔12
✔✔A pre-stressed concrete pile is ___ - ✔✔Easy to handle, Lighter in weight and
Durable
✔✔The Depth of an arc is the distance between ___ - ✔✔Intrados and Extrados
✔✔Depth of lean concrete bed placed at the bottom of wall footing is kept ___ -
✔✔Equal to its projection beyond wall base
✔✔For effective drainage, the finished surface of flat roof should have a minimum slope
of ___ - ✔✔1 to 20
✔✔For plastering, the exposed brick walls, the cement sand mortar should be ___ -
✔✔1:4
✔✔The Auger boring method is not suitable for ___ - ✔✔Very hard soil, cemented soil
and very soft soil
✔✔The ceiling height of a building is ___ - ✔✔Between ceiling and floor level
✔✔To ensure that supporting area of an offset footing of a boundary wall is fully
compressive, the center of gravity of load must act ___ - ✔✔Within the middle third of
the base
✔✔The vertical faces of a door opening which support frame of the door are ____ -
✔✔Jambs
✔✔In corridor floors outward slope is ___ - ✔✔1 in 60
A+
✔✔Depth of slab depend upon? - ✔✔Modification Factor
✔✔Workability of concrete depends upon? - ✔✔Water Content, Gradation and
admixtures, and Aggregate shape and size
✔✔High temperature ___ the strength of concrete. - ✔✔Decrease
✔✔Which of the following is not the characteristic of hard concrete? - ✔✔Soft
✔✔Fly ash a by product of coal fired electric generating plants is used to partially
replaced OPC by ____ - ✔✔60% by mass
✔✔The minimum thickness of slab should be? - ✔✔125mm
✔✔The ratio of larger span to shorter span for the one way slab is ____ - ✔✔Greater
than 2
✔✔Open stirrups are provided principally to resist ___ forces in concrete beams -
✔✔Shear
✔✔U-shaped stirrups are placed in the ___ side of beams in which shear cracks would
occur - ✔✔Tension
✔✔The density of wood is ___? - ✔✔1500Kg/m3
✔✔Workability of concrete can be checked by ___ - ✔✔By pouring in cone and
measure the flow
, ✔✔To resist the sides earth soil fall, type of wall used is ___ - ✔✔Retaining Wall
✔✔The members which support covering material of a sloping roof are ___ - ✔✔Rafters
✔✔A wooden block hinged on post outside a door is known as? - ✔✔Cleat
✔✔The window which is provided in flat roof of a room is known as? - ✔✔Lantern
✔✔Weep holes are provided in retaining and breast walls to? - ✔✔To drain off the
water from the filling
✔✔Pitched and sloping roofs are suitable for? - ✔✔Coastal Regions
✔✔The maximum number of steps in a flight should generally be restricted to? - ✔✔12
✔✔A pre-stressed concrete pile is ___ - ✔✔Easy to handle, Lighter in weight and
Durable
✔✔The Depth of an arc is the distance between ___ - ✔✔Intrados and Extrados
✔✔Depth of lean concrete bed placed at the bottom of wall footing is kept ___ -
✔✔Equal to its projection beyond wall base
✔✔For effective drainage, the finished surface of flat roof should have a minimum slope
of ___ - ✔✔1 to 20
✔✔For plastering, the exposed brick walls, the cement sand mortar should be ___ -
✔✔1:4
✔✔The Auger boring method is not suitable for ___ - ✔✔Very hard soil, cemented soil
and very soft soil
✔✔The ceiling height of a building is ___ - ✔✔Between ceiling and floor level
✔✔To ensure that supporting area of an offset footing of a boundary wall is fully
compressive, the center of gravity of load must act ___ - ✔✔Within the middle third of
the base
✔✔The vertical faces of a door opening which support frame of the door are ____ -
✔✔Jambs
✔✔In corridor floors outward slope is ___ - ✔✔1 in 60
