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For the following questions answer them individually
The thickness of the flange of a tee beam of a ribbed slabis ssumed as:
half the thickness of the slab
thickness of the concrete topping
depth of the rib
width of the rib
Coefficient of wind resistance of a circular surface is:
$$ \frac {2} {3} $$
$$ \frac {3} {2} $$
$$ \frac {1} {3} $$
$$ \frac {1} {2} $$
Total number of elastic constants of an isotropic material
2
3
4
5
The stiffness os a spring is:
load per coil of the spring
load required to produce unit deflection
load required to compress the spring up to shearing proportional limit
the load required for breaking the spring
Creep of a material is:
not being ductile
to become brittle
disappearance of deformation on removal load
continued deformation with time under sustained loading
A propped cantilever is indeterminate externally of:
second degree
fourth degree
first degree
third degree
Which of the following is a relatively ductile material?
High carbon streel
Bronze
Mild steel
Cast iron
A beam is supported oner three rollers lying in same plane. The beam is stable for:
loading with no component perpendicular to the direction of beam
only when no load except self weight acts
loading with no component in the direction of the beam
any general loading
The resistance of an aggregate to the effect of hydration of cement and weather is called:
impact value
soundness
crushing strength
abrasion resistance
Under which conditions highest water cement ratio is used?
Heavy sections such as piers foundations ets, exposed to alternate wetting and drying
Heavy sections such as piers foundations ets, protected against rain and frost
Hydraulic structure exposed to rain and snow
Light structural members exposed to alternate wetting and drying
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