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1) 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
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2) Infiltration capacity curve is the graphical representation, as to how the infiltration capacity varies with time after rainfall this curve was represented by ____________________? a. Darcy b. Horton c. Lacy d. Kennedy
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3) When seepage water after passing the ground water aquifer joins the surface stream, such stream will be called_____________________? a. Influent stream b. Effluent stream c. Rain stream d. Storm stream
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4) A curve showing the maximum flow in the river and mean time reduces flow. we be called___________________? a. Infiltration capacity b. Infiltration capacity curve c. Ground water depletion curve d. All are correct
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5) 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. Partial pressure b. Saturation pressure c. Vapour pressure d. All are correct
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6) The difference between saturation vapour pressure and actual vapour pressure at a constant temperature is called ___________________? a. Saturation vapour pressure b. Actual vapour pressure c. Saturation deficit d. Partial pressure
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7) The ratio between the actual pressure and saturation vapour present at same temperature is called___________________? a. Absolute Humidity b. Relative Humidity c. Low humidity d. High Humidity
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8) Pilot tube is a device, which convert velocity head of flowing water into pressure by ____________________? a. H = v2/2g b. H = v/g c. H = v2 / g2 d. H = v2 / g
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9) A unit hydrograph is a hydrograph of runoff produced by a rainstorm of a specified duration called ____________________? a. Unit duration b. Peak runoff c. Storm runoff d. Base flow
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10) The floods which exceeds the designed magnitude of a reservoir is called _______________________? a. High floods b. Standard protects flood c. Intensive flood d. Storm flood
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11) The area irrigated in the year and it grows crops on which water rates are leveled is called____________________? a. Area Assessed b. Area leased c. Area irrigated d. Area cultivated
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12) A river which does not change its alignment – slope and its regime significantly is called________________? a. Aggrading river b. Degrading river c. Stable river d. Deltaic River
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13) If in a river the flood rises and falls suddenly due to storm rain, then such river is called __________________? a. Virgin b. Tidal c. Flashy d. Deltaic
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14) 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
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15) The groyne pointing downwards in the direction of flow in fiver is called________________? a. Permeable b. Impermeable c. repelling d. Attracting
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16) 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
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17) 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
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18) 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
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19) 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
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20) 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
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