Hydrology Quiz | Hydrology Multiple Choice Questions with Answers

Questions
61 If the slope of a line for infiltration capacity curve is 1/1.737, the value of constant k in Horton's equation of infiltration capacity curve, is
A 4.0
B 2.5
C 2.0
D None of the above

Answer: 4.0
62 If the grain size of soil increases
A Water supply in well increases
B Specific retention decreases
C Surface area decreases
D All the above

Answer: All the above
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63 For determination of average annual precipitation in a catchment basin, the best method is
A Isohyetal method
B Thiessen's mean method
C Arithmetical method
D None of these

Answer: Isohyetal method
64 Burge formula Q = 19.6 (A/L2/3) cumecs is based upon
A Drainage area and its shape
B Rainfall and drainage area
C Run off and drainage area
D Drainage area

Answer: Drainage area and its shape
65 Humidity refers to
A Moisture content of the air
B Temperature of the air
C Pressure of the air
D Volume of the air

Answer: Moisture content of the air
66 Relative humidity is the ratio of actual vapour pressure to the saturation vapour pressure
A In the atmosphere
B At the same temperature
C In the same volume
D None of these

Answer: At the same temperature
67 For predicting floods of a given frequency, the best reliable method is
A California method
B Gumbel's analytical method
C Unit hydrograph method
D None of these

Answer: Unit hydrograph method
68 Pick up the correct statement from the following:
A The water which exists in the zone of saturation, is called ground water
B The zone above water table, is called zone of aeration
C The zone below water table, is called zone of saturation
D All the above

Answer: All the above
69 Phytometer method is generally used for the measurement of
A Transpiration
B Interception
C Evaporation
D None of these

Answer: Transpiration
70 If there are two canals taking off from each flank of a river, then there will be
A Two divide walls and two under-sluices
B Two divide walls and one under-sluice
C One divides wall and two under-sluices
D One divides wall and one under-sluice

Answer: Two divide walls and two under-sluices
71 Knowledge of hydrology is necessary for civil engineers for
A Flood control works
B Designing and construction of bridges and culverts
C Designing and construction of irrigation structures
D All the above

Answer: All the above
72 Knowledge of hydrology is necessary for civil engineers for
A Flood control works
B Designing and construction of bridges and culverts
C Designing and construction of irrigation structures
D All the above

Answer: All the above
73 Which of the following canal outlets maintains a constant discharge?
A Rigid module
B Non-modular outlet
C Flexible outlet
D None of the above

Answer: Rigid module
74 Pick up correct statement from the following:
A The air from central portion of cyclone's gets lifted for causing precipitation
B The air from outer portion of cyclones gets lifted for causing precipitation
C The air from entire surface of the cyclones gets lifted for causing precipitation
D None of those

Answer: The air from central portion of cyclone's gets lifted for causing precipitation
75 Sharp crested weirs are generally used
A For large flows
B For small flows
C For streams carrying high sediment loads
D For rivers carrying floating debris

Answer: For large flows
76 A runoff river plant is
A A low head scheme
B A medium head scheme
C A high head scheme
D None of the above

Answer: A low head scheme
77 If the axial length of a drainage basin is 35 km and its form factor is 0.2, the total area of the basin is
A 245 sq. km.
B 205 sq. km.
C 225 sq. km.
D None

Answer: 245 sq. km.
78 If the loss due to friction in pipes is 4 m, the total losses in strainer and bends may be taken as
A 1.0 m
B 0.5 m
C 0.10 m
D 0.20 m

Answer: 1.0 m
79 Horizontal acceleration due to earthquake results in
A Hydrodynamic pressure
B Inertia force into the body of the dam
C Both (A) and (B)
D None of the above

Answer: Both (A) and (B)
80 Water contains
A Two hydrogen atoms and one oxygen atom
B One hydrogen atom and one oxygen atom
C Three hydrogen atoms and two oxygen atoms
D One hydrogen atom and two oxygen atoms

Answer: Two hydrogen atoms and one oxygen atom
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