Civil Engineering - UPSC Civil Service Exam Questions

Consider the following strengths of concrete :
1. Cube strength
2. Cylinder strength
3. Split-tensile strength
4. Modulus of rupture
The correct sequence in decreasing order of these strengths is

A reinforced concrete slab is 75 mm thick. The maximum size of reinforcement bar that can be used is

Consider the following methods of preservation of timber :
1. Dipping
2. Brushing or spraying
3. Pressure impregnation
The correct sequence in decreasing order of the effectiveness of these methods of preservation is

Purlins are provided, in industrial buildings, over roof trusses to carry dead loads, live loads and wind loads. As per IS code, what are they assumed to be ?

Ratio of bearing capacity of double Under Reamed (U.R.) pile to that of single U.R. pile is nearly