Environment Management

WATER RESOURCES ENGINEERING MCQs

Total Questions : 20

Page 1 of 2 pages
Question 1. If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying
  1.    sine of the angle of inclination with vertical
  2.    cosine of the angle of inclination with vertical
  3.    tangent of the angle of inclination with vertical
  4.    calibration coefficient of the gauge.
 Discuss Question
Answer is Option B. -> cosine of the angle of inclination with vertical
Question 2. While calculating the average depth of annual precipitation in a catchment basin, importance to individual raingauge station is given in
  1.    Arithmetical method
  2.    Thiessen's mean method
  3.    Isohyetal method
  4.    both (b) and (c).
 Discuss Question
Answer is Option D. -> both (b) and (c).
Question 3. If s is the potential infiltration, P is rainfall in cm in a drainage of a soil with fair pasture cover, the direct run off Q in cm is given by
  1.    Q = (P - 0.1 S)²/(P + 0.4 S)
  2.    Q = (P - 0.2 S)²/(P + 0.6 S)
  3.    Q = (P - 0.2 S)²/(P + 0.8 S)
  4.    Q = (P - 0.2 S)²/(P + 0.2 S)
 Discuss Question
Answer is Option C. -> Q = (P - 0.2 S)²/(P + 0.8 S)
Question 4. The critical depth in a channel can be produced
  1.    by raising the bottom of the channel
  2.    by lowering the bottom of the channel
  3.    by decreasing the width of the channel
  4.    both (a) and (c) of above.
 Discuss Question
Answer is Option D. -> both (a) and (c) of above.
Question 5. A hydraulic jump in a control meter will be formed above the control, if its original
  1.    depth is more than critical depth
  2.    depth is less than the critical depth
  3.    depth is equal to critical depth
  4.    none of these.
 Discuss Question
Answer is Option B. -> depth is less than the critical depth
Question 6. Prof
  1.    Logarithmic method
  2.    y method
  3.    General method
  4.    None of these.
 Discuss Question
Answer is Option A. -> Logarithmic method
Question 7. If y is the depth of water at any section, then the mean velocity is
  1.    0.2 y
  2.    0.3 y
  3.    0.5 y
  4.    0.6 y.
 Discuss Question
Answer is Option D. -> 0.6 y.
Question 8. From the Survey of India map, the distance of the critical point is 20 km and difference in elevation is 193 m
  1.    3 hours
  2.    2 hours and 30 minutes
  3.    3 hours and 30 minutes
  4.    4 hours.
 Discuss Question
Answer is Option D. -> 4 hours.
Question 9. The initial basin recharge is equal to
  1.    interception
  2.    depression storage
  3.    rain absorbed by the moisture deficiency
  4.    all the above.
 Discuss Question
Answer is Option D. -> all the above.
Question 10. For computing the run off volumes of large areas, number of infiltrations used are
  1.    2
  2.    3
  3.    4
  4.    5
 Discuss Question
Answer is Option A. -> 2