The line in a flow net which shows the direction of flow of water through a soil mass beneath dam are called _________________?

Related Mcqs:

1. A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?

   A. Turbulent flow B. Laminar flow C. Rotational flow D. Circular flow...

2. The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called__________________?

   A. Soil-moisture deficiency B. Field-moisture deficiency C. Equivalent-moisture deficiency D. a and b are correct...

3. The contour of equal water heads and pressure in the soil mass beneath retaining structure are called___________________?

   A. Stream lines B. Equipotential lines C. Equilibrium lines D. Streak lines...

4. The field capacity is the water retained by a saturated soil after free drainage of surplus water to the ground water table but the water retained by a saturated soil after being centrifuged by a centrifugal force of 1000 times that of gravity is called________________?

   A. Soil moisture B. Equivalent moisture C. Field moisture D. Available moisture...

5. That part of the flow in a stream comes from sub-soil or valley, may be beneath the top surface of channel bed is called__________________?

   A. Sub-surface flow B. Base flow C. Ground flow D. All are correct...

6. A dam which the up lift pressure of the sub-soil water by its own weight is called _________________?

   A. Buttress dam B. Arch dam C. Gravity dam D. Concrete dam...

7. The law that states that the discharge of sub-soil water is directly proportional to the loss of head and the area of soil sample and inversely proportional to to the length of soil sample ___________________?

   A. Archimed’s principle B. Darcy’s law C. Permeability law D. Thiem’s law...

8. The dam built for the purpose of diverting water from main stream to various courses of flow is called ____________________?

   A. Coffer dam B. Detention dam C. Diversion dam D. Gravity dam...

9. The minimum moisture content at which a water drop if placed on a smooth surface of soil will not be absorbed immediately by the soil is called __________________?

   A. Soil moisture content B. Moisture content C. Soil saturation D. All are correct...

10. The height from the top of the embankment to the normal water level in canal .Dam – Reservoir etc, which allows for small waves to splash without over flow is called___________________?

    A. Free board B. Free space C. Free faced D. Free end –...