Related Questions

The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called
A Balanced section
B Economic section
C Critical section
D All the above
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section
A depends on as, only
B depends on aCbC only
C depends on both crst and acbc
D is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression.
If d and n are the effective depth and depth of the neutral axis respectively of a singly reinforced beam, the lever arm of the beam, is
A d
B n
C $${\text{d}} + \frac{{\text{n}}}{3}$$
D $${\text{d}} - \frac{{\text{n}}}{3}$$
A person travels a certain distance at 3 km/hr and reaches 15 mi late. If he travels at 4 km/hr reaches 15 min late. If he travels at 4 km/hr reaches 15 min earlier. The distance he has to travel is -
A 8.5 km
B 6 km
C 7.2 km
D 12 km
In a singly reinforced beam, the effective depth is measured from its compression edge to
A Tensile edge
B Tensile reinforcement
C Neutral axis of the beam
D Longitudinal central axis
The maximum shear stress (q) in concrete of a reinforced cement concrete beam is
A $$\frac{{{\text{Shear force}}}}{{{\text{Lever arm}} \times {\text{Width}}}}$$
B $$\frac{{{\text{Lever arm}}}}{{{\text{Shear force}} \times {\text{Width}}}}$$
C $$\frac{{{\text{Width}}}}{{{\text{Lever arm}} \times {\text{Shear force}}}}$$
D $$\frac{{{\text{Shear force}} \times {\text{Width}}}}{{{\text{Lever arm}}}}$$
The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.
A Working
B Damaging
C Allowable
D None of these
The steel bars in a reinforced cement concrete beam are embedded __________ of the beam.
A In the center
B Near the bottom
C Near the top
D At any position
The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is
A 1400 kg/cm2
B 190 kg/cm2
C 260 kg/cm2
D 230 kg/cm2
If Zara walks at 5 km/hr, she reaches the bus stop 5 minutes late and if she walks at 6 km/hr , she reaches the bus stop 5 minutes earlier . The bus stop is at a distance of -
A 3 km
B 5 km
C 6 km
D 10 km

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