| 1. | The amount of water required to fill up the pore spaces in soil particles by replacing all air held in pore spaces, is known as ? | |
|
available moisture
|
||
|
field capacity
|
||
|
all of these
|
||
|
saturation capacity
|
||
View Answer
Discuss in Forum
Report Question| 2. | In case of small channels, the borrow pits should start from a distance not less than, from the toe of the embankment ? | |
|
5m
|
||
|
4 m
|
||
|
2 m
|
||
|
3 m
|
||
| 3. | A part of water which exists in the porous space of the soil by molecular attraction, is known as ? | |
|
gravitational water
|
||
|
capillary water
|
||
|
hygroscopic water
|
||
|
all of these
|
||
| 4. | The precipitation caused by lifting of warm moisture laden air masses due to topographic carriers, is called ? | |
|
cyclonic precipitation
|
||
|
convective precipitation
|
||
|
none of these
|
||
|
orographic precipitation
|
||
| 5. | A bafile wall is a sort of low weir constructed at the end of the cistern to ? | |
|
withstand the actual impact of the high velocity jet to dissipate the energy
|
||
|
head up water to its upstream to such a height that hydraulic
|
||
|
both (a) and (b)
|
||
|
none of the above
|
||
| 6. | Which of the following statements is wrong ? | |
|
The top of dowel is kept above the free supply level by a margin of free board
|
||
|
The dowels act as curbs on the side of roadway towards the canal
|
||
|
The dowels are provided as a measure of safety for automobiles driven on the roads
|
||
|
none of the above
|
||
| 7. | According to Lacey, a channel is said to be in regime, if ? | |
|
its discharge is constant
|
||
|
the silt grade and the silt charge are constant
|
||
|
it flows in incoherent unlimited alluvium of the same character as that transported materials
|
||
|
all of the above
|
||
| 8. | Distributary head regulators are provided ? | |
|
to stop the supply, when not needed, in the off-taking canal
|
||
|
to control the supplies to the off-taking channel
|
||
|
to control the silt entry in the off-taking canal
|
||
|
all of the above
|
||
| 9. | An outlet in which the discharge depends upon the difference in level between the water in distributing channel and the water course, is known as ? | |
|
semi-module outlet
|
||
|
rigid module
|
||
|
non-modular outlet
|
||
|
modular outlet
|
||
| 10. | In Bligh's creep theory, it is assumed that the percolation water creep ? | |
|
in a straight path under the floor
|
||
|
in a straight path under the foundation work
|
||
|
none of the above
|
||
|
along the contact of the base profile of the apron with the sub-soil
|
||