Practice Test: Question Set - 12
1. Pick up the correct statement from the following:
- (A) Higher
the gauge, more deficient will be the rain catch
- (B) Heavier the
rain, lesser will be the rain catch
- (C) The trees
serving as wind brakes in the vicinity of the gauge, should not subtend angles
greater than 45°
- (D) All
the above
2. Runoff is measured in
- (A) Cubic metres
- (B) Cubic
metres per sec.
- (C) Cubic
metres per minute
- (D) Cubic
metres per hour
3. The minimum size of stone that will remain at rest in a channel of longitudinal slope ‘S’ and hydraulic mean depth ‘R’ is given by
- (A) 4 RS
- (B) 11 RS
- (C) 7 RS
- (D) 15 RS
4. If h is the loss due to friction in a pipe. Total losses in strainer and bends may be taken as
- (A) 0.01 h
- (B) 0.45 h
- (C) 0.20 h
- (D) 0.25 h
5. Hydrology helps in
- (A) Predicting
maximum flows
- (B) Deciding
the minimum reservoir capacity
- (C) Forecasting
the availability of quantity of water at reservoir site
- (D) All the
above
6. Which of the following types of falls use parabolic glacis for energy dissipation?
- (A) Vertical
drop fall
- (B) Glacis fall
- (C) Montague
type fall
- (D) Inglis fall
7. In India, rain fall is generally recorded at
- (A) 8 A.M.
- (B) 12 Noon
- (C) 4 P.M.
- (D) 8 P.M.
8. The initial basin recharge is equal to
- (A) Interception
- (B) Depression
storage
- (C) Rain
absorbed by the moisture deficiency
- (D) All the
above
9. Shrouding is provided in
- (A) Cavity type
tube wells
- (B) Slotted type
tube wells
- (C) Strainer
type tube wells
- (D) Perforated
type tube wells
10. Rain simulators are used for the determination of
- (A) Evaporation
- (B) Precipitation
- (C) Run off
- (D) Infiltration
capacity
11. Pick up the correct statement from the following:
- (A) The
throat of the section of a control meter is either rectangular or trapezoidal
- (B) The
floor of the control meter throat is almost level
- (C) The
floor of the expanding outlet of the control meter is given a steep slope
- (D) All the
above
12. The Dupuit formula is based on
- (A) One
observation well
- (B) Two
observation wells
- (C) Three
observation wells
- (D) No
observation well
13. A river bend characterized by silting
- (A) Scouring
on concave side
- (B) Silting
on convex side
- (C) Scouring
on convex side and on concave side
- (D) Scouring
on concave side and silting on convex side
14. Run off includes
- (A) Precipitation
over catchment area of the stream and its attributaries
- (B) Surface
run off
- (C) Ground water
flow
- (D) All the
above
15. The respective storm totals at three surrounding stations A, B and C are 110, 90 and 70 mm. If the normal annual precipitation amounts at stations X, A, B and C are respectively 1000, 1100, 1200 and 1250 mm, the estimated storm precipitation at X is
- (A) 75 mm
- (B) 77 mm
- (C) 79 mm
- (D) 81 mm