## 1. By over-reinforcing a beam, the moment of resistance can be increased not more than

## 2. In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed

## 3. A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm^{2} and 300 kg/cm^{2}, the Safe load on the column, should not exceed

^{2}and 300 kg/cm

^{2}, the Safe load on the column, should not exceed

## 4. A flat slab is supported

## 5. If S_{b}, is the average bond stress on a bar of diameter d subjected to maximum stress t, the length of the embedment $$l$$ is given by

_{b}, is the average bond stress on a bar of diameter d subjected to maximum stress t, the length of the embedment $$l$$ is given by

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