Auxiliary devices in stilling basins are provided

1.	Auxiliary devices in stilling basins are provided
A.	To stabilise the flow
B.	To reduce the length of the basin
C.	As additional measure to control jump
D.	All of the above
Answer» E.

Discussion

No Comment Found

Related MCQs

_____ is the rigid dam that is constructed either with stone or brick masonry or mass concrete.
As the height of a proposed dam is increased, usually, the cost per unit of storage
In Gravity dam, the ______ acts in a direction opposite to the acceleration imparted by earthquake forces and is equal to the product of the mass and the acceleration
If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor down stream of the crest wall, is given by the question-
In Gravity dam, the factor of safety against overturning should not be less than
Consider the following statements related to uplift pressure in gravity dams:1. A drainage gallery reduces the uplift pressure at all levels below the gallery.2. A drainage gallery below upstream water level reduces the uplift pressure at all levels below the upstream water level.3. A grout curtain near the heel reduces seepage and uplift pressure everywhere on the gravity dam whatever the upstream water level.Which of the above statements are correct?
A new reservoir has a capacity of 12 Mm3 and its catchment area is 400 km2. The annual sediment yield from this catchment is 0.1 ha.m/km2 and the trap efficiency can be assumed constant at 90%. The number of years it takes for the reservoir to lose 50% of its initial capacity is, nearly
In a ski-jump bucket provided in an overflow spillway, the lip angle is 30°, and the actual velocity of flow entering the bucket is 30 m/s. The maximum vertical height attained by the trajectory of the jet, measured above the lip of the bucket, is nearly
Earthen dams are
In case of non-availability of space due to topography, the most suitable spillway in this condition is ____

Auxiliary devices in stilling basins are provided

Discussion

No Comment Found

Related MCQs

Reply to Comment