Transcript for:
Irrigation and Drainage Engineering Study Guide

welcome to Abe tutorials in this video let us have a quiz to test your knowledge on irrigation and drainage engineering disclaimer Abe tutorials is a supplemental study resource only this platform is not being endorsed by any academic institution always verify the accuracy of any information that will be shown thus we recommend you to search for more information on the web or Internet I will read the questions twice before I will reveal the answer we begin with question number one the moisture content of the soil when the gravitational water has been removed again the moisture content of the soil when the gravitational water has been removed the answer is B Field capacity question number two it is the ratio of the dry weight of soil particles to the weight of an equal volume of water again it is the ratio of the dry weight of soil particles to the weight of an equal volume of water the answer is d a parent-specific gravity question number three these are pipelines built on or near the ground surface to convey water across wide depressions again these are pipelines built on or near the ground surface to convey water across wide depressions the answer is d flumes question number four subsurface drain system wherein laterals join the submane on both sides alternately again subsurface drain system wherein laterals join the submain on both sides alternately the answer is B herringbone question number five Darcy's law states that the flow of water through a porous medium is again Darcy's law states that the flow of water through a porous medium is the answer is C both A and B question number six one liter per second is equal to again one liter per second is equal to the answer is C 15.85 gallons per minute question number seven it is the ratio of the volume of voids to the total volume of the soil again it is the ratio of the volume of voids to the total volume of the soil the answer is C porosity question number eight it is the water retained about individual soil particles by molecular action and can be removed only by Heating again it is the water retained about individual soil particles by molecular action and can be removed only by Heating the answer is B hydroscopic water question number nine it refers to the composite parts of the irrigation system that divert water from natural bodies of water such as Rivers streams and lakes again it refers to the composite parts of the irrigation system that divert water from natural bodies of water such as Rivers streams and lakes the answer is D head works question number 10 it is a measure of the amount of water that the soil will retain against a tension of 15 atmospheres again it is a measure of the amount of water that the soil will retain against a tension of 15 atmospheres the answer is B permanent wilting point question number 11 the international soil science Society describes sand as a soil particle with a diameter of again the international soil science Society describes sand as a soil particle with a diameter of the answer is B 0.2 to 2 millimeter question number 12 10 cubic meter per hour is equal to again 10 cubic meter per hour is equal to the answer is C both A and B question number 13 the localized lowering of the static or piezometric water level due to pumping again the localized lowering of the static or piezometric water level due to pumping the answer is B drawdown question number 14 any convenient level surface coincident or parallel with mean sea level to which elevations of a particular area are referred again any convenient level surface coincident or parallel with mean C Level to which elevations of a particular area are referred the answer is a datum question number 15 it is a geologic formation which transmits water at a rate insufficient to be economically developed for pumping again it is a geologic formation which transmits water at a rate insufficient to be economically developed for pumping the answer is B aquilude question number 16 it is the ratio of the dry weight of the soil to the weight of the water with volume equal to the soil bulk volume again it is the ratio of the dry weight of the soil to the weight of the water with volume equal to the soil bulk volume the answer is d a parent-specific gravity question number 17 it accounts for the losses in an irrigation system from the water source and prior to delivery of water into the field ditches again it accounts for the losses in an irrigation system from the water source and prior to delivery of water into the field ditches the answer is D conveyance efficiency question number 18 a geologic formation that contains water but do not have the capacity to transmit it again a geologic formation that contains water but do not have the capacity to transmit it the answer is d aquilude question number 19 the localized lowering of the static or piezometric water level due to pumping again the localized lowering of the static or piezometric water level due to pumping the answer is B drawdown question number 20 what is the recommended value for standing water during land preparation again what is the recommended value for standing water during land preparation the answer is B 10 millimeter question number 21 Farm water requirement minus the application losses is that again Farm water requirement minus the application losses is the the answer is B Farm irrigation requirement question number 22 4 liters per second is equivalent to again four liters per second is equivalent to the answer is C both A and B question number 23 this results from overlapping radii of influence of neighboring Wells again this results from overlapping radii of influence of neighboring Wells the answer is C well interference question number 24 infero irrigation the rate of water application should be blank the intake rate of the soil again infero irrigation the rate of water application should be blank the intake rate of the soil the answer is a less than question number 25 the international soil science Society describes sand as a soil particle with a diameter of again the international soil science Society describes sand as a soil particle with a diameter of the answer is a question number 26 irrigation method is used for row crops wherein only a part of the surface is wetted again irrigation method is used for row crops wherein only a part of the surface is wetted the answer is B Furrow irrigation question number 27 it refers to the composite parts of the irrigation system that divert water from natural bodies of water such as Rivers streams and lakes again it refers to the composite parts of the irrigation system that divert water from natural bodies of water such as Rivers streams and lakes the answer is D head works question number 28 it is a measure of the amount of water that the soil will retain against a tension of 15 atmospheres again it is a measure of the amount of water that the soil will retain against a tension of 15 atmospheres the answer is B permanent wilting point question number 29 the infiltration equation based on the exhaustion process is the again the infiltration equation based on the exhaustion process is the the answer is B Hortons question number 30 the amount of drainage water to be removed per unit time per unit area is the again the amount of drainage water to be removed per unit time per unit area is the the answer is B drainage coefficient question number 31 in Hood house drain spacing formula it is assumed that again in hooghouse drain spacing formula it is assumed that the answer is D all of the above question number 32 a mathematical expression for the macroscopic flow of water through a porous system again a mathematical expression for the macroscopic flow of water through a porous system the answer is B Darcy's law question number 33 it is the soil moisture constant describing the amount of moisture retained by the soil against a suction pressure of one-third atmosphere again it is the soil moisture constant describing the amount of moisture retained by the soil against a suction pressure of one-third atmosphere the answer is a Field capacity question number 34 runoff is the difference between the gross depth of irrigation water and the again runoff is the difference between the gross depth of irrigation water and the the answer is a net depth requirement question number 35 it is the type of sprinkler irrigation system where the number of laterals installed is equal to the total number of lateral positions again it is the type of sprinkler irrigation system where the number of laterals installed is equal to the total number of lateral positions the answer is D set system question number 36 it is a Surface irrigation system where the area is subdivided by dikes and water flows over these dikes from one subdivision to another again it is a Surface irrigation system where the area is subdivided by dikes and water flows over these dikes from one subdivision to another the answer is C Basin irrigation number 37 distribution control structures placed across an irrigation ditch to block the flow temporarily and to raise the Upstream water level again distribution control structures placed across an irrigation ditch to block the flow temporarily and to raise the Upstream water level the answer is B checks question number 38 which is not a component of the impact arm of an impact sprinkler again which is not a component of the impact arm of an impact sprinkler the answer is a nozzle question number 39 in surface irrigation the ratio between the gross amount of irrigation water and the net requirement of the crop is the again in surface irrigation the ratio between the gross amount of irrigation water and the net requirement of the crop is the the answer is a application efficiency question number 40 it is an orderly sequence of planting crop in an area for 365-day period again it is an orderly sequence of planting crop in an area for 365-day period the answer is a cropping pattern question number 41 infero irrigation it is the difference between the depth of water that infiltrated in the net depth requirement again infero irrigation it is the difference between the depth of water that infiltrated in the net depth requirement the answer is C deep percolation question number t42 Inline Canal structure designed to convey Canal water from a higher level to a lower level dually dissipating the excess energy resulting from the drop in elevation again inline Canal structure designed to convey Canal water from a higher level to a lower level dually dissipating the excess energy resulting from the drop in elevation the answer is a drop question number 43 amount of rain water that falls directly on the field and is used by the crop for growth and development excluding deep percolation surface runoff and interception again amount of rain water that falls directly on the field and is used by the crop for growth and development excluding deep percolation surface runoff and interception the answer is b effective rainfall question number 44 applicator used in drip subsurface or bubbler irrigation designed to dissipate pressure and to discharge a small uniform flow or trickle of water at a constant rate that does not vary significantly because of minor differences in pressure again applicator used in drip subsurface or bubbler irrigation designed to dissipate pressure and to discharge a small uniform flow or trickle of water at a constant rate that does not vary significantly because of minor differences in pressure the answer is B emitters question number 45 closed conduit designed to convey Canal water in full and Under Pressure running condition to convey Canal Water by gravity under roadways Railways drainage channels and local depressions again closed conduit designed to convey Canal water in full and Under Pressure running condition to convey Canal Water by gravity under roadways Railways drainage channels and local depressions the answer is B inverted siphon question number 46 amount of water required in lowland rice production which includes water losses through evaporation seepage and percolation and land soaking again amount of water required in lowland rice production which includes water losses through evaporation seepage and percolation and land soaking the answer is B land preparation water requirements question number 47 portion of the pipe Network between the main line and the laterals again portion of the pipe Network between the main line and the laterals the answer is B valve question number 48 constant flow depth along the longitudinal section of a channel under a uniform flow condition again constant flow depth along the longitudinal section of a channel under a uniform flow condition the answer is a normal depth question number 49 water flow that is conveyed in such a manner that top surface is exposed to the atmosphere such as flow in canals ditches drainage channels culverts and pipes under partially full flow conditions again water flow that is conveyed in such a manner that top surface is exposed to the atmosphere such as flow in canals ditches drainage channels culverts and pipes under partially full flow conditions the answer is a open Channel flow question number 50 tube or shaft vertically set into the ground at a depth that is usually less than 15 meters for the purpose of bringing groundwater into the soil surface whose pumps are set above the water level again tuber shaft vertically set into the ground at a depth that is usually less than 15 meters for the purpose of bringing groundwater into the soil surface whose pumps are set above the water level the answer is a shallow tube well question number 51 ratio of the horizontal to Vertical dimension of the channel wall again ratio of the horizontal to Vertical dimension of the channel wall the answer is C side slope question number 52 slope of the water surface profile plus the velocity head in open channels again slope of the water surface profile plus the velocity head in open channels the answer is a Energy Grade line slope question number 53 slope of the free water surface in open Channel again slope of the free water surface in open Channel the answer is D hydraulic grade line slope question number 54 occurs when flow has a constant Water Area depth discharge and average velocity through a reach of Channel again occurs when flow has a constant Water Area depth discharge and average velocity through a reach of Channel the answer is C uniform flow question number 55 accounting of water inflows such as irrigation and rainfall and outflows such as evaporation seepage and percolation again accounting of water inflows such as irrigation and rainfall and outflows such as evaporation seepage and percolation the answer is B water balance question number 56 area which contributes runoff or drains water into the reservoir again area which contributes runoff or drains water into the reservoir the answer is a watershed question number 57 diameter of the circular area wetted by the sprinkler when operating at a given pressure and no wind again diameter of the circular area wetted by the sprinkler when operating at a given pressure and no wind the answer is a wetted diameter question number 58 portion of the perimeter of the canal that is in contact with the flowing water again portion of the perimeter of the canal that is in contact with the flowing water the answer is B wetted perimeter question number 59 moisture left in the soil before the initial irrigation water delivery which describes the extent of water depletion from the soil when the water supply has been cut off again moisture left in the soil before the initial irrigation water delivery which describes the extent of water depletion from the soil when the water supply has been cut off the answer is B residual moisture content question number 60 pressure required to overcome the elevation difference between the water source and the sprinkler nozzle to counteract friction losses and to provide adequate pressure at the nozzle for good water distribution again pressure required to overcome the elevation difference between the water source and the sprinkler nozzle to counteract friction losses and to provide adequate pressure at the nozzle for good water distribution the answer is B design pressure question number 61 an overflow structure built perpendicular to an open Channel axis to measure the rate of flow of water again an overflow structure built perpendicular to an open Channel axis to measure the rate of flow of water the answer is a we're question number 62 inline structure with a geometrically specified constriction built in an open Channel such that the center line coincides with the center line of the channel in which the flow is to be measured again inline structure with a geometrically specified constriction built in an open Channel such that the center line coincides with the center line of the channel in which the flow is to be measured the answer is B Flume question number 63 measuring device with a well-defined sharp edged opening in a wall through which flow occurs such that the Upstream water level is always well above the top of this opening again measuring device with a well-defined sharp edged opening in a wall through which flow occurs such that the Upstream water level is always well above the top of this opening the answer is C orifice question number 64 a device with individual scales on the rods to provide data to plot Furrow depth as a function of the lateral distance where data can then be numerically integrated to develop geometric relationships such as area versus depth wedded perimeter versus depth and top width versus depth again a device with individual scales on the rods to provide data to plot Furrow depth is a function of the lateral distance where data can then be numerically integrated to develop geometric relationships such as area versus depth wetted perimeter versus depth and top width versus depth the answer is B prophylometer question number 65 application of Water by gravity flow to the surface of the field again application of Water by gravity flow to the surface of the field the answer is a Surface irrigation question number 66 method of irrigation where water runs through small parallel channels as it moves down the slope of the field again method of irrigation where water runs through small parallel channels as it moves down the slope of the field the answer is B Furrow irrigation question number 67 recommended slope for Furrow irrigation method again recommended slope for Furrow irrigation method the answer is a 0.05 percent to 3.0 percent question number 68 volume of water stored in Reservoir between the minimum water level and normal water level again volume of water stored in Reservoir between the minimum water level in normal water level the answer is a active storage question number 69 maximum elevation the water surface which can be attained by the dam or Reservoir without flow in the spillway again maximum elevation the water surface which can be attained by the dam or Reservoir without flow in the spillway the answer is C normal storage elevation question number 70 heart of water impounding system that stores the runoff Again part of water impounding system that stores the runoff the answer is C Dam like share and subscribe before you exit