Related Questions

A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
A Remain horizontal
B Slant up towards direction of pull
C Slant down towards direction of pull
D None of the above
The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone
A Compressive stress
B Shear stress
C Bond stress
D Tensile stress
The ratio of the diameter of reinforcing bars and the slab thickness is
A $$\frac{1}{4}$$
B $$\frac{1}{5}$$
C $$\frac{1}{6}$$
D $$\frac{1}{8}$$
The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of
A 10 mm
B 15 mm
C 20 mm
D 25 mm
For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than
A 15 mm
B 25 mm
C 30 mm
D 40 mm
In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by
A 10%
B 20%
C 30%
D 40%
The minimum number of main steel bars provided in R.C.C.
A Rectangular columns is 4
B Circular columns is 6
C Octagonal columns is 8
D All the above
Top bars are extended to the projecting parts of the combined footing of two columns L distance apart for a distance of
A 0.1 L from the outer edge of column
B 0.1 L from the centre edge of column
C Half the distance of projection
D One-fourth the distance of projection
Minimum spacing between horizontal parallel reinforcement of the same size should not be less than
A One diameter
B 2.5 diameters
C 3 diameters
D 3.5 diameters
Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than
A One diameter of thinner bar
B One diameter of thicker bar
C Twice the diameter of thinner bar
D None of these

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