Correct answer
B. lack of ventilation
Explanation
The correct answer is lack of ventilation.
In a combined footing if shear stress does not exceed 5 kg/cm2, the nominal stirrups provided are________?
In the construction of arches, sand box method is used for________?
The effluent of a septic tank is________?
For testing compressive strength of cement, the size of cube used is________?
If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than________?
The property of a fluid which enables it to resist tensile stress is known as________?