A. Toe wall
B. Launching apron
C. Protective wall
D. Guide bank
Correct Answer: Launching apron ✔
Last Updated: March 29, 2019
Related MCQs
- The groyne pointing upwards direction of flow is called __________?
- If the weir flood is designed continuous with divide piers as reinforced structure,such that the weight of divide piers, keep the structure safe against uplift, is called__________?
- The rise in river water level at up stream due to construction of weir is called__________?
- Silt free water should be supplied to the canals through__________?
- The wall of masonry or concrete, constructed at 90° to the axis of weir to separate normal weir from under sluices is called__________?
- A fish ladder is device by which flow energy can be dissipated in such a manner as to provide easy access to the downstream fish to come on upstream side, the velocity of flow varies from__________?
- In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called__________?
- The structures, which are constructed on the river bed upstream of head regulator. With this clear water enters in canal such structures are called__________?
- The depth before the jump is always less then the depth after the jump. The depth before the jump is called initial depth and depth after the jump is called__________?
- Mostly the hydraulic structures founded on __________ soils fails because of undermining and uplift pressure?
- At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called__________?
- Now- a -days the hydraulic structures are designed. Keeping in view the flow net, this was given by __________?
- To avoid scouring from end of structure, it is necessary to provide a __________ at the exit point?
- For strong Hydraulic jump containing maximum energy, the down stream glacis should be sloped at a slope of __________ to dissipate max: energy?
- When a weir is constructed, the downstream .bed of the river goes on eroding and consequently causes progressive lowering of the bed on downstream of weir called__________?
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- A water pool is designed on the down stream of the hydraulic structure to dissipate the energy of falling water by providing a water cushion called __________?
- A module or outlet in which discharge depends upon the difference of head between distributary and the water course is called __________?
- An outlet through which the discharge depends upon the water level in the distributary is called __________?
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- A structure provided when a large canal a big drainage channel approach other practically at the same level is called__________?
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- The total dissolved solids in drinking water should not exceed__________?
- On relative basis, when one soil is eroded as compared to other soil under same conditions, this property is called __________?
- Darcy formula for loss of head in pipes is given by, hf=4fl v2 / __________?
- The aeration of water is done to remove __________?
- Velocity of flow in a sewer must be form __________ to ?
- A digging out of earth to make trench for any engineering purpose is called __________?
- The water in swimming pools can be __________ by using any one from the following, chlorine-ultraviolet rays and bromine t ?
- Mostly the salt of calcium and Magnesium can not cause __________?
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- The invented filter is provided just after the end of concrete floor to reduce () possibility of __________?
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