বিল্ডিং কনস্ট্রাকশন

• ০০। A concrete structure is set on fire and the temperature raises to 1000°C. The strength of concrete as compared to original strength reduces to
• ক) 10%
• খ) 15%
• গ) 20%
• ঘ) 25%.

• ০১। A covering of concrete placed on the exposed top of an external wall, is known as
• ক) cornice
• খ) coping
• গ) frieze
• ঘ) lintal.

• ০২। A cut in frame of a door to receive the shutter, is called
• ক) louver
• খ) stop
• গ) horn
• ঘ) rebate.

• ০৩। A floor constructed with 3 mm marble chips, is known
• ক) mosaic floor
• খ) terrazo floor
• গ) chips floor
• ঘ) marble floor.

• ০৪। A floor constructed with the 4 to 6 mm marble chips, is known
• ক) reinforced marble floor
• খ) terrazo floor
• গ) marble floor
• ঘ) chip floor
• ঙ) mosaic floor.

• ০৫। A pointed arch which forms isosceles or equilateral triangle, is generally known as
• ক) three centred arch
• খ) two centred arch
• গ) Lancet arch
• ঘ) Bull‘s eye arch.

• ০৬। A pre-stressed concrete pile is
• ক) easy to handle
• খ) lighter in weight
• গ) extremely durable
• ঘ) suitable for heavy load
• ঙ) all the above.

• ০৭। A projecting piece usually provided to support a truss, is
• ক) cornice
• খ) coping
• গ) frieze
• ঘ) lintal.

• ০৮। A roof which slopes in four directions, is called
• ক) shed roof
• খ) gable end roof
• গ) hipped roof
• ঘ) gambrel roof.

• ০৯। A solid core of rock is formed in side the cylinder in the case of
• ক) auger boring
• খ) percussion drilling
• গ) diamond drilling
• ঘ) wash boring.

• ১০। A stair should not have pitch more than
• ক) 25°
• খ) 30°
• গ) 40°
• ঘ) 50°
• ঙ) 60°.

• ১১। A temporary rigid structure having platforms to enable masons to work at different stages of a building, is known as
• ক) scaffolding
• খ) dead shore
• গ) raking shore
• ঘ) under pinning.

• ১২। A wall constructed to resist the pressure of an earth filling, is called
• ক) retaining wall
• খ) breast wall
• গ) buttress
• ঘ) parapet wall.

• ১৩। A wall constructed with stones to protect slopes of cuttings in natural ground from the action of weathering agents, is called
• ক) retaining wall
• খ) breast wall
• গ) buttress
• ঘ) parapet wall.

• ১৪। A wooden block fixed on back side of a door frame on its post, is known as
• ক) cleat
• খ) stop
• গ) horn
• ঘ) none of these.

• ১৫। A wooden block hinged on post outside a door, is known
• ক) cleat
• খ) stop
• গ) horn
• ঘ) none of these.

• ১৬। According to National Building Code, the hydrants in water mains is provided at minimum interval of
• ক) 50 m
• খ) 60 m
• গ) 75 m
• ঘ) 90 m.

• ১৭। According to Rankine‘s formula, minimum depth of foundations, is
• ক)
• খ)
• গ)
• ঘ)

• ১৮। An arch constructed with finely dressed stones, is known
• ক) ashlar arch
• খ) rubble arch
• গ) gauged arch
• ঘ) axed arch.

• ১৯। An arch may fail due to
• ক) uneven settlement of abutments
• খ) sliding of voussoirs
• গ) crushing of the material
• ঘ) all the above.