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Irrigation Engineering Test 2
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  • Question 1/6
    1 / -0
    According to Kennedy’s theory which of the following factor does take into account the effect of different silt grade while calculating the critical velocity?
  • Question 2/6
    1 / -0

    Different components diversion headworks of a canal is listed in column 1 with their functions in column 2 in the following table.

    Components (Column 1)

    Function (Column 2)

    1. Head sluices
    1. Helps in providing a less turbulent pocket near head regulator
    1. Silt Ejector
    1. Helps in removing silts near the head regulator
    1. Under sluices
    1. Helps in controlling the entry of silts in the canal
    1. Divide Wall
    1. Helps in removing silt from the water after it enters the canal

    The correct code is

  • Question 3/6
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    Which one of the following is not the major factor influencing seepage from a canal?
  • Question 4/6
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    A canal has a flowrate of 4.5 m3/sec and has medium size silts with an average grain size of 0.016 cm. What will be the velocity through the canal as per Lacey’s theory?
  • Question 5/6
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    Flow depth and bed slope of a wide rectangular alluvial canal are 3.8 m and 1.5 × 10-4 respectively. The velocity is found out to be 1.9 m/s. The mean size of the sediment particles is 1.6 mm. What is the ratio (corrected up to three decimal point) of rugosity coefficient given by Strickler’s formula to the actual rugosity coefficient?
  • Question 6/6
    1 / -0
    A permeable weir floor has a length of 14 m with vertical downstream sheet pile depth of 8m. As per Khosla’s theory to maintain a safe exit gradient of 1 in 7 at downstream what should be the maximum water depth (in m corrected up to two decimal places) at upstream? 
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