| 1. | Blue baby disease found in infants is due to excessive ............ in drinking water ? | |
|
Nitrates
|
||
|
Carbonates
|
||
|
Sulphates
|
||
|
Colour
|
||
View Answer
Discuss in Forum
Report Question| 2. | A company has proposed to design a weir across a river in alluvial soil. The piezometric head at the bottom of the floor is computed as 10 m. The datum is 3 m below the floor bottom. The assured standing water depth above the floor is 2 m. The specific gravity of floor material is 2.5. The required minimum thickness of the floor is ? | |
|
4.2 m
|
||
|
2m
|
||
|
3.3 m
|
||
|
1.5 m
|
||
| 3. | A line of levels has been run from a bench mark of elevation +125.42 m and ends at another bench mark of elevation +125.45 m. The sum of back sights is 17.58 m and the sum of foresights is 17.61 m. The closing error in the survey work is ? | |
|
- 0.06 m
|
||
|
0.03 m
|
||
|
0.06 m
|
||
|
- 0.03 m
|
||
| 4. | A pressure gauge fitted on the side of a tank filled with liquid reads 50 kPa and 100 kPa at heights of 10 m and 5 m. What is the approximate density of the liquid (in kg/m³)? (take g=10) ? | |
|
10
|
||
|
5000
|
||
|
100
|
||
|
1000
|
||
| 5. | While conducting the softening point test on bitumen, the result is expressed as ? | |
|
Flow
|
||
|
Time
|
||
|
Viscosity
|
||
|
Temperature
|
||
| 6. | For deformed bars conforming to IS 1786, the design bond stress in limit state method shall be ? | |
|
decreased by 20%
|
||
|
increased by 60%
|
||
|
increased by 40%
|
||
|
increased by 20%
|
||