A. Equipotential lines
B. flow lines
C. Section lines
D. Streak lines
Related Mcqs:
- 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 –
