A. Head Regulator
B. Cross-Regulator
C. Escape
D. All are correct
Correct Answer: Head Regulator ✔
Last Updated: March 29, 2019
Related MCQs
- The various works constructed on river side to control the flow and pass it safely from hydraulic structures are called __________?
- The under sluices in a weir are provided, at the level of upstream floor dispose off the sediment deposited on downstream is called__________?
- 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__________?
- 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?
- When the weight of weir balances the up lift pressure caused by the head of the water seeping below the weir bed is called __________?
- The groyne pointing downwards in the direction of flow in fiver is called__________?
- In alluvial river due to the action of centrifugal force, bends are developed by scouring on concave and silting on convex __________?
- If in a river the flood rises and falls suddenly due to storm rain, then such river is called __________?
- A river which does not change its alignment – slope and its regime significantly is called__________?
- The area irrigated in the year and it grows crops on which water rates are leveled is called__________?
- The floods which exceeds the designed magnitude of a reservoir is called __________?
- A unit hydrograph is a hydrograph of runoff produced by a rainstorm of a specified duration called __________?
- Pilot tube is a device, which convert velocity head of flowing water into pressure by __________?
- The ratio between the actual pressure and saturation vapour present at same temperature is called__________?
- The difference between saturation vapour pressure and actual vapour pressure at a constant temperature is called __________?
- The water vapours are generally present in a atmosphere, some times isolated and sometimes mixed with other gases. in such a situation the pressure exerted by each component of mixture, will be called __________?
- A curve showing the maximum flow in the river and mean time reduces flow. we be called__________?
- When seepage water after passing the ground water aquifer joins the surface stream, such stream will be called__________?
- Infiltration capacity curve is the graphical representation, as to how the infiltration capacity varies with time after rainfall this curve was represented by __________?
- 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__________?
- After rainfall the quantity of water that flows directly over the ground surface and join immediately to the river is called__________?
- Hydrology is the science which deals with the depletion and recharge of water resources yearly therefore. its knowledge is a must to __________ properly the water resources?
- A curve consisting two or more arcs of different radii curving in the same direction with common tangent is called __________?
- That point in a body at which it will balance if loaded or supported is called __________?
- A graph which shows the volume of a reservoir or tank at any given water level is called __________?
- The Indus plain is the main agricultural producing region in the country which receives about__________m m of rain fall annually?
- A water flow available in the drains without irrigation season i.e.flow of sanitary sewage is called__________?
- If E1 is the energy before the hydraulic jump and E2 is the energy after the hydraulic jump the efficiency of jump is then given by __________?
- The water particles held in soil pores of root zone by __________ against gravity and is known as capillary water?
- Water logging is the state of the soil where the water table brought __________capacity or root zone of plants?
- According to Kennedy’s silt theory , the critical velocity is directly proportional to depth of flow __________?
- Canals normally excavated directly from river without head regulator is called__________?
- The discharge carrying capacity of an irrigation channel depends upon __________?
- The stability analysis of earth dam founded on cohesion less silt material be made against__________?
- The lower limit of factor of safety against over turning in a gravity is __________?
- the ratio between the rate of change of discharge of the out let to the rate of change of discharge of the distributary is called __________?
- According to Khosla’s theory of seepage, the Exit gradient depends upon __________?
- A fixed reference point from which the discharge of flowing water is measured is__________?
- A well penetrated in ground water confined between impervious layer at its top and bottom is called __________?
- The unit of volume of water used in irrigation practice in FPS system is Acre-Foot. there fore one Acre- Foot is equal to __________?
- The soil which are formed due to the weathering effects particularly by movement of water and are high permeable are called __________?
- That rain fall which is effectively consumed by the plants to meet its consumptive needs is called__________?
- A structure constructed in channel width having narrow throat and raised floor in bottom, used for measuring discharge is called __________?
- The discharge through rectangular channel is maximum when Hydraulic mean depth m is equal to __________?
- Bouyant force is equal to the __________ of liquid displaced by the body in water mass?
- The specific weight of water at normal pressure of 760 mm, 4ºC temperature and at mean sea level is __________?
- Torsional force does not act on __________?
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- Total energy line (T.E.L) represents the sum of __________?
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- The ratio of change of discharge of an outlet to the rate of change in level of water surface in distributary at its normal depth is called __________?