Civil engineering MCQ and irrigation engineering MCQ for competitive exam.
Q. 1 The consumptive use of water for a crop
A. May be supplied partly by precipitation and partly by irrigation
B. Is measured as the volume of water per unit area
C. Is measured as depth of water on irrigated area
D. All the above
D. All the above
Q. 2 Canals taken off from ice-fed perennial rivers, are known
A. Ridge canals
B. Perennial canals
C. Permanent canals
D. Inundation canals
B. Perennial canals
Q. 3 In gravity canals, F.S.L. is
A. Generally 4 to 5 metres above the ground level
B. Always at the ground level
C. Always below the ground level
D. Only a few cm above the ground level
D. Only a few cm above the ground level
Q. 4 The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is
A. 10 cm
B. 12 cm
C. 8 cm
D. 14 cm
B. 12 cm
Q. 5 If water table is comparatively high, the irrigation canal becomes useless, due to
A. Uncertain water demand
B. Large amount of seepage
C. Water logging of the cultivated areas
D. All the above
D. All the above
Q. 6 In a syphon aqueduct
A. Canal passes over the drainage and H.F.L. of the drainage is above the bottom of the canal trough
B. Drainage passes over the canal and F.S.L. of the canal is below the bottom of the drainage trough
C. Drainage passes over the canal and F.S.L. of the canal is above the bottom of the drainage trough
D. Canal passes over the drainage and H.F.L. of the drainage is below the bottom of the canal trough
A. Canal passes over the drainage and H.F.L. of the drainage is above the bottom of the canal trough
Q. 7If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor downstream of the crest-wall, is given by the equation
A. t = (h + 1)/G
B. t = (h – 1)/(G – t)
C. t = (h + 1)/(G + t)
D. t = (h – 1)/(G + t)
B. t = (h – 1)/(G – t)
Q. 8 To hold hydraulic jumps, baffle walls are provided in
A. Vertical type falls
B. English type falls
C. Sarda type falls
D. Montague type falls
B. English type falls
Q. 9 Pick up the correct sequence of the part of a canal system from the following
A. works-branch canal-main canal distributary, minor
B. Head works-main canal-branch canal-minor-distributary
C. Head work-distributary-branch canal-minor
D. Head works-main canal-branch canal-distributary-minor
B. Head works-main canal-branch canal-minor-distributary
Q. 10 The field capacity of a soil depends upon
A. Capillary tension in soil
B. Porosity of soil
C. Both (a) and (b)
D. Neither (a) nor (b)
C. Both (a) and (b)
