A. water surface under the ground is at atmospheric pressure
B. water is under pressure between two impervious strata
C. water table serves as upper surface of zone of saturation
D. none of the above
Related Mcqs:
- If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by_______________?
A. T = kd
B. T = k/d
C. T= Vkd
D. k= VTd - Infiltration rate is always________________?
A. more than the infiltration capacity
B. less than the infiltration capacity
C. equal to or less than the infiltration capacity
D. equal to or more than the infiltration capacity - Dimensions of coefficient of transmissibility are______________?
A. M°L°T°
B. rvfL’T”1
C. M° L2 T1
D. M’LV - Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?
A. canal fall
B. canal outlet
C. canal escape
D. canal regulator - A land is known as waterlogged_________________?
A. when the permanent wilting point is reached
B. when gravity drainage has ceased
C. capillary fringe reaches the root zone of plants
D. none of the above - A unit hydro graph has one unit of_______________?
A. rainfall duration
B. rainfall excess
C. time base of direct runoff
D. discharge - Which of the following canal outlets maintains a constant discharge ?
A. non-modular outlet
B. flexible outlet
C. rigid module
D. none of the above - The uplift pressure on a dam can be controlled by_________________?
1) constructing cutoff under upstream face
2) constructing drainage channels bet-ween the dam and its foundation
3) by pressure grouting in foundation
The corret answer is?
A. only (1)
B. both (1) and (2)
C. both (1) and (3)
D. (1), (2) and (3) - A current meter is used to measure the__________________?
A. velocity of flow of water
B. depth of flow of water
C. discharge
D. none of the above - Interception losses are due to_______________?
1) evaporation
2) transpiration
3) stream flow
The correct answer is?A. only (1)
B. (1) and (2)
C. (1) and (3)
D. (1), (2) and (3)