In the derivation of Thiem's formula , the following assumption is not applicabl

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Civil Engineering ‣ Water Resources Engineering Comments

Question
In the derivation of Thiem's formula , the following assumption is not applicable
Options
A. The aquifer is homogeneous and isotropic
B. Flow lines are radial and horizontal
C. The slope of the water surface is too small
D. The well has been sunk up to the surface of the unconfined aquifer
E. None of these.

Correct Answer

The well has been sunk up to the surface of the unconfined aquifer

Water Resources Engineering problems

Search Results

2. Pick up the correct statement from the following :
Options
A. Rivers, lakes, oceans and springs get water from the rains
B. Rain water is obtained by evaporation from rivers, lakes and oceans
C. Water remains in atmosphere as vapours
D. Hydrologic cycle is a continuous process of evaporation and precipitation of water in atmosphere
E. all the above.

3. Pick up the correct statement from the following :
Options
A. Absolute humidity at a given temperature is equal to weight of moisture present in a unit volume
B. Relative humidity is the ratio of actual vapour pressure and saturation vapour pressure at the same temperature
C. Relative humidity is the ratio of the weight of the vapours present per unit volume to the weight of vapours which could be contained at the same temperature when fully saturated
D. Humidity can be measured by psychrometer
E. All the above.

7. With the usual meanings ofletters, the equation is used for determining the velocity of ground water flow in metres per day. It is known as
Options
A. Meinzer's formula
B. Slichter's formula
C. Darcy's formula
D. Hazen's formula.

8. Precipitation caused by lifting of an air mass due to the pressure difference, is called
Options
A. cyclonic precipitation
B. convective precipitation
C. orographic precipitation
D. none of these.

Comments

More in Civil Engineering: