In alluvial river due to the action of centrifugal force, bends are developed by scouring on concave and silting on convex _____________________?
A. Silting & scouring B. Meandering C. Aggrading D. Degrading
Agriculture MCQs
The groyne pointing downwards in the direction of flow in fiver is called________________?
A. Permeable B. Impermeable C. repelling D. Attracting
When the weight of weir balances the up lift pressure caused by the head of the water seeping below the weir bed is called ___________________?
A. Cippollite weir B. Broad crested weir C. Gravity weir D. Non-gravity weir
The down stream sloping glacis of the Hydraulic structure is made in such a way to form automatically the _____________ and dissipate the surplus energy of flowing water?
A. Afflux B. Hydraulic jump C. Pond level D. HFL
The water level required on the upstream side of a canal head regulator, so as to feed the off-taking canal with its full supply is called_________________?
A. HFL B. FSL C. Pond level D. Canal level
The under sluices in a weir are provided, at the level of upstream floor dispose off the sediment deposited on downstream is called______________________?
A. Under sluices B. Head sluices C. Scouring sluices D. Sluice gates
The various works constructed on river side to control the flow and pass it safely from hydraulic structures are called ___________________?
A. River controlling works B. River Training works C. Marginal Embankment D. Guide Banks
A regulator is water controlling structure, it is provided at the head of canal to supply water from parent canal to the branch channel is called_______________________?
A. Head Regulator B. Cross-Regulator C. Escape D. All are correct
When high flood passing down weir creating high up lift pressures and there is no flow in the canals, if such condition is taken for design and is called__________________?
A. High flood level B. Dangerous condition C. Hydraulic design condition D. Worst condition
A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?
A. Water wave B. Water tide C. Hydraulic jump D. Afflux