Hydrology Quiz | Hydrology MCQs with Answers for competitive exams

Questions
101 Pick up the correct statement from the following:
A Central portion of a cyclone acts as a chimney through which air gets lifted
B Cyclonic precipitation caused by a warm front is generally continuous
C Greatest amount of orographic precipitation falls in the windward side of the barrier
D All the above

Answer: All the above
102 Evaporation losses depend upon
A Humidity and wind velocity
B Nature of precipitation and type of vegetation
C Area of the water surface and depth of the water
D All the above

Answer: All the above
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103 Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain?
A Canal escape
B Canal fall
C Canal outlet
D Canal regulator

Answer: Canal escape
104 Pressure exerted by fully saturated air, is known
A Partial pressure
B Saturation pressure
C Saturation vapour pressure
D Both (b) and (c) of the above

Answer: Both (b) and (c) of the above
105 The run off is affected by
A Elevation of the water shed
B Shape of the basin
C Size of the basin
D All the above

Answer: All the above
106 If the demand line drawn from a ridge in a flow mass curve does not intersect the curve again, it indicates that
A Demand cannot be met by inflow
B Reservoir was not full at the beginning
C Both (A) and (B)
D None of the above

Answer: Demand cannot be met by inflow
107 The theory of infiltration capacity was given by
A Le-Roy K. Shermen
B Robert E. Horten
C Merrill Bernard
D None of these

Answer: Robert E. Horten
108 A hydraulic jump in a control meter will be formed above the control, if its original
A Depth is less than the critical depth
B Depth is more than critical depth
C Depth is equal to critical depth
D None of these

Answer: Depth is less than the critical depth
109 Tortuosity of a meandering river is the ratio of
A Curved length along the channel to the direct axial length of the river reach
B Direct axial length of the river reach to curved length along the channel
C Meander belt to meander length
D Meander length to meander belt

Answer: Curved length along the channel to the direct axial length of the river reach
110 The best instrument for measuring the velocity of a stream flow is
A Pitot tube
B Price's current meter
C Surface float
D Sub-surface float

Answer: Price's current meter
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