2.The curing period for concrete to attain about 70% strength is

3.The factor of safety against overturning for a retaining wall should not be less than

4.The minimum cover for RCC slab reinforcement as per IS 456 is

5.The process of determining the relative position of different points on the earth’s surface is known as

1.The traverse closing error is adjusted using

2.The best method for delineating a watershed boundary is

3.Noise pollution level is measured in

4.The focus point of an earthquake is called

5.The standard width of a two-lane carriageway without raised kerbs is

1.When the compass needle points 30° west of north, the WCB is

2.The most common disinfectant used in water treatment is

3.The bending moment at the free end of a cantilever is

4.The principle of conservation of mass is applied in

5.A foundation used for bridge piers in deep water is

1.In a rectangular beam, the neutral axis passes through

3.The term hydrograph represents

4.The minimum number of satellites required to determine a GPS position is