Hydrographs MCQ

Test your knowledge with important Hydrographs MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Hydrographs MCQs at Bissoy

• The graph of the cumulative values of water quantity against time is known as __________
  ক

  Flow curve

  খ

  Power curve

  গ

  Mass curve

  ঘ

  Load curve
• Determine the capacity of hydro power plant to be used 8 hours peaking plant assuming daily flow in a river to be constant at 65m3/s. and overall efficiency is 80% and head 12m?
  ক

  6.1214 MW

  খ

  5.5 MW

  গ

  31.25 MW

  ঘ

  22.0 MW
• A lake behind a dam has a capacity of 30000km2-m approximately. For how many days would this water supply be sufficient to a city of 106 populations if daily requirement per person is 500 liters?
  ক

  60,000 days

  খ

  950 days

  গ

  25000 days

  ঘ

  8000 days
• What is the volume of rainfall in day sec-meters if 6.5cm rainfall occurs over an area of 2400 sq.km?
  ক

  1805.56 day sec meter

  খ

  1225 day sec meter

  গ

  895 day sec meter

  ঘ

  1555.22 day sec meter
• What AEP stand for in hydrology?
  ক

  Annual exceedance probability

  খ

  Annual energy production

  গ

  Annual exceedance period

  ঘ

  Automatic engagement panel
• Determine the pondage factor if the plant is working at time of 8 hrs?
  ক

  2.5

  খ

  3.8

  গ

  1

  ঘ

  3
• Determine the pondage factor if the plant is working at peak time of 16 hrs?
  ক

  1.5

  খ

  0.75

  গ

  2.5

  ঘ

  0.3
• Determine the power developed, IF given data is H = 150m, ng = 0.91, nt = 0.86 and Q is 9639.8?
  ক

  74MW

  খ

  75MW

  গ

  76MW

  ঘ

  78MW
• Determine the flow rate of water, if the catchment area of hydroelectric power is 2500 km2, with an average rainfall of 160cm. the percolation and evaporation losses account for 19%?
  ক

  9639.8 M3/s

  খ

  42.8 M3/s

  গ

  859.63 M3/s

  ঘ

  2342 M3/s
• Determine the capacity of hydro power plant to be used 10 hours peaking plant assuming daily flow in a river to be constant at 20m3/s. and overall efficiency is 80%?
  ক

  1.8835 MW

  খ

  5.5 MW

  গ

  3.25 MW

  ঘ

  1.0 MW
• What would be the pondage factor for if hydropower plant is used for 10 hours?
  ক

  P.F = 2.4

  খ

  P.F = 1.2

  গ

  P.F = 20

  ঘ

  P.F = 0.4166
• Find the power available if overall efficiency of plant is 80%, flow rate is 4.42cumecs and head 400m?
  ক

  6.52MW

  খ

  8.18MW

  গ

  11.255MW

  ঘ

  13.875MW
• Cusec is___________
  ক

  A unit of flow equal to one cubic feet per sec

  খ

  A unit of flow equal to one centimeter cube per sec

  গ

  A unit of flow equal to one meter per sec

  ঘ

  A unit of flow equal to one cubic foot per sec
• What does ADF stand for in hydrology?
  ক

  Automatic direction finder

  খ

  Average daily flow

  গ

  Average duration flow

  ঘ

  Annual dry flow
• What does CN stands for in hydrology?
  ক

  Cyanide

  খ

  Channel number

  গ

  Cumulonimbus

  ঘ

  Carbon nano-tube
• What is DWF?
  ক

  Deep water flow

  খ

  Dry weather flow

  গ

  Drawing web format

  ঘ

  Dam water flood
• The magnitude of runoff as ordinates against the corresponding percentage of time as abscissa gives ________
  ক

  Mass duration curve

  খ

  Load duration curve

  গ

  Power duration curve

  ঘ

  Flow duration curve
• The unit hydrographs can be successfully applied to basin areas of what sq km?
  ক

  15000 sq km

  খ

  10000 sq km

  গ

  3000 sq km

  ঘ

  25000 sq km
• Above which range should be the unit hydrographs be used?
  ক

  Around 5000 sq km

  খ

  Over 2500 sq km

  গ

  Around 4000 sq km

  ঘ

  Below 5000 sq km
• What is the theoretical number of unit hydrographs for given basin?
  ক

  500

  খ

  2900

  গ

  36000

  ঘ

  infinite
• What is unit hydrograph helpful in?
  ক

  Estimating runoff from a basin

  খ

  Estimating no of days of rain fall

  গ

  Knowing the draught months in a year

  ঘ

  In deciding the land for hydel power plant
• Hydrographs of similar rainfalls will be similar in shape.
  ক

  True

  খ

  False
• Unit hydrograph was explained by Sherman in which year?
  ক

  1925

  খ

  1928

  গ

  1932

  ঘ

  1945
• When is the Hydrograph called as a unit hydrograph?
  ক

  When 1cm of runoff is resulted from a rain fall

  খ

  When 3cm of runoff is resulted from rainfall

  গ

  When 1mm of runoff is resulted from rainfall

  ঘ

  When 3mm of runoff is resulted from rainfall
• What information does the year wise hydrograph gives?
  ক

  Draught

  খ

  Heavy rainfall

  গ

  Rising cold

  ঘ

  Water scarcity
• What does hydrograph based on day gives?
  ক

  Idea about flood period during the month

  খ

  Idea of rainfall

  গ

  Idea of draught during the year

  ঘ

  Idea of scarcity of water in the upcoming year
• Choose the correct sentence about information available from hydrograph among the following options?
  ক

  The mean annual runoff or mean runoff each week of the year

  খ

  Total volume at that instant, as the area under hydrograph indicates the force of water during the duration

  গ

  Rate of flow at any particular time during the duration period

  ঘ

  Mean runoff for each month
• What do you call a graph which is plotted for discharge versus time?
  ক

  Snow Graph

  খ

  Hydrograph

  গ

  Rain graph

  ঘ

  Fluid graph