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  • Question

  • A tube well having a capacity of 4 m3/hour operates for 20 hours each day during the irrigation season. How much area can be commanded if the irrigation interval is 20 days and depth of irrigation is 7 cm?


  • Options
  • A. 1.71 x 104 m2
  • B. 1.14 x 104 m2
  • C. 22.9 x 104 m2
  • D. 2.29 x 104 m2

  • Correct Answer
  • 2.29 x 104 m2 

    • GATE Exam Questions problems

    Search Results

    • 1. The peak discharge of the instantaneous unit hydrograph of a basin, when compared to the peak discharge of a 4-hour unit hydrograph of that basin, would be

    • Options
    • A. greater
    • B. equal
    • C. equal or lesser
    • D. lesser
      • Discuss
    • 2. The span to depth ratio limit is specified in IS : 456-1978 for the reinforced concrete beams, in order to ensure that the

    • Options
    • A. tensile crack width is below a limit
    • B. shear failure is avoided
    • C. stress in the tension reinforcement is less than the allowable value
    • D. deflection of the beam is below a limiting value
      • Discuss
    • 3. The minimum area of tension reinforcement in a beam shall be greater than

    • Options
    • A. 0.85 bd/fy
    • B. 0.87 fy/bd
    • C. 0.04 bd
    • D. 0.4 bd/y
      • Discuss
    • 4. Some of the structural strength of a clayey material that is lost by remoulding is slowly recovered with time. This property of soils to undergo an isothermal gel-to-soil-to-gel transformation upon agitation and subsequent rest is termed :

    • Options
    • A. Isotropy
    • B. Anisotropy
    • C. Thixotropy
    • D. Allotropy
      • Discuss
    • 5. A two span beam with an internal hinge is shown below.

      The conjugate beam corresponding to this beam is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. A reinforced concrete column contains longitudinal steel equal to 1 percent of net cross-sectional area of the column. Assume modular ratio as 10. The loads carried (using the elastic theory) by the longitudinal steel and the net area of concrete, are Ps and Pc respectively. The ratio Ps/Pc expressed as percent is

    • Options
    • A. 0.1
    • B. 1
    • C. 1.1
    • D. 10
      • Discuss
    • 7. The kinetic energy correction factor for a full developed laminar flow through a circular pipe is

    • Options
    • A. 1.00
    • B. 1.33
    • C. 2.00
    • D. 1.50
      • Discuss
    • 8. X-component of velocity in a 2-D incompressible flow is given by u = y2 + 4 xy. If Y-com-ponent of velocity 'v' equals zero at y = 0, the expression for 'v' is given by

    • Options
    • A. 4y
    • B. 2y2
    • C. -2y2
    • D. 2xy
      • Discuss
    • 9. Un-factored maximum bending moments at a section of a reinforced concrete beam resulting from a frame analysis are 50, 80, 120 and 180 kNm under dead, live, wind and earthquake loads respectively. The design moment (kNm) as per IS: 456-2000 for the limit state of collapse (flexure) is

    • Options
    • A. 195
    • B. 250
    • C. 345
    • D. 372
      • Discuss
    • 10. A cantilever beam of length L and a cross section with shape factor f supports a concentrated load P as shown below

      The length LP of the plastic zone, when the maximum bending moment equals the plastic moment MP, given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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