logo

CuriousTab

CuriousTab

Discussion


Home Civil Engineering Irrigation Comments

  • Question
  • Pick up the correct statement from the following


  • Options
  • A. In a level crossing, a crest with its top at the canal F.S.L. is provided across the drainage at its up-stream junction with canal
  • B. In a level crossing a regulator is provided across the drainage at its down-stream
  • C. In a level crossing, a cross regulator is provided on the canal below the crossing
  • D. All the above.

  • Correct Answer
  • All the above. 


  • Irrigation problems


    Search Results


    • 1. The sinuosity of a meander is the ratio of

    • Options
    • A. meander length and the width of meander
    • B. meander length and half width of the river
    • C. curved length and the straight distance
    • D. none of these.
    • Discuss
    • 2. Pick up the incorrect statement from the following. Culturable commanded area is the gross area of an irrigation canal system less

    • Options
    • A. populated area
    • B. alkaline area
    • C. forest area
    • D. fallow land.
    • Discuss
    • 3. For a given discharge in a channel, Blench curves give the relationship between the loss of head (HL) and

    • Options
    • A. specific energy up-stream
    • B. specific energy down-stream
    • C. critical depth of water down-stream
    • D. depth of water down-stream
    • Discuss
    • 4. The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept

    • Options
    • A. 0.20 m
    • B. 1.20 m
    • C. 2.20 m
    • D. 3.20 m
    • E. 4.90 m
    • Discuss
    • 5. Retrogression of the bed level of a river downstream a weir, occurs due to

    • Options
    • A. heavy impact of water
    • B. increase of the bed level
    • C. less percentage of silt
    • D. soft soil strata.
    • Discuss
    • 6. In a canal syphon, the flow is

    • Options
    • A. under atmospheric pressure
    • B. pipe flow
    • C. with critical velocity
    • D. under negative pressure.
    • Discuss
    • 7. Water-shed line is abondened for aligning an irrigation canal if

    • Options
    • A. water shed forms a sharp loop
    • B. canal has to take off from a river
    • C. towns and villages are located on the water shed line
    • D. all the above.
    • Discuss
    • 8. The depth of rice root zone, is

    • Options
    • A. 50 cm
    • B. 60 cm
    • C. 70 cm
    • D. 80 cm
    • E. 90 cm
    • Discuss
    • 9. Fundamental momentum equation for a hydraulic jump, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 10. Pick up the incorrect statement from the following

    • Options
    • A. Side walls of a venturi head flume are splayed out from the end of the throat at 1 : 10 for a length of 4.5 m
    • B. Length of side walls should be such that the width of the flume is made equal to 2/3rd the bed width of the distributary
    • C. Once the width of the flume becomes 2/3rd of the width of the distributary, the splayed walls are increased to 1 in 3 to get full bed width
    • D. None of these.
    • Discuss


    Comments

    There are no comments.

Enter a new Comment