Q2.
The term watershed refers to?
Correct Answer:
A
Watershed is the land area collect water draining into a water body.
Q3.
What does the term βrunoffβ mean?
Correct Answer:
A
Runoff is water flowing on the surface after rain.
Q4.
Percolation in soil refers to?
Correct Answer:
A
Percolation feeds groundwater.
Q5.
The velocity of river flow depends on?
Correct Answer:
A
Water velocity depends on slope and roughness.
Q6.
A hydrograph shows?
Correct Answer:
A
Hydrographs plot flow changes over time.
Q7.
Flood frequency analysis helps in?
Correct Answer:
A
Flood frequency guides design against floods.
Q8.
Bankfull discharge means?
Correct Answer:
A
Bankfull is stream flow at bank capacity.
Q9.
What is the purpose of a weir?
Correct Answer:
A
Weirs help measure and control flow.
Q10.
Aquifers are:
Correct Answer:
A
Aquifers are underground water reservoirs.
Q11.
The term βspecific yieldβ refers to?
Correct Answer:
A
Specific yield relates to drainable water.
Q12.
Evapotranspiration includes:
Correct Answer:
A
It accounts for total water loss to atmosphere.
Q13.
Baseflow in rivers is?
Correct Answer:
A
Baseflow sustains river flows.
Q15.
Hydraulic gradient is:
Correct Answer:
A
Hydraulic gradient drives flow in porous media.
Q16.
Flood control reservoirs reduce flood by:
Correct Answer:
A
Reservoirs moderate flood peaks.
Q17.
A rain gauge measures?
Correct Answer:
A
Rain gauges record rainfall.
Q19.
Groundwater recharge happens mainly through?
Correct Answer:
A
Recharge occurs as water percolates underground.
Q20.
The design flood in hydraulic engineering is?
Correct Answer:
A
Design flood determines hydraulic structures sizes.
Q21.
Water harvesting refers to:
Correct Answer:
A
Rainwater capture for later use.
Q24.
Water table fluctuations are caused by?
Correct Answer:
A
Water table changes with recharge and extraction.
Q25.
Curve number method is used for?
Correct Answer:
A
Curve number predicts runoff volume.
Q26.
What is the role of a spillway?
Correct Answer:
A
Spillways prevent dam overflow.
Q28.
Hydrostatic pressure increases with?
Correct Answer:
A
Pressure increases linearly with depth.
Q30.
Capillary fringe in soil is:
Correct Answer:
A
Water rises above water table by capillary forces.
Q32.
What does Froude number indicate?
Correct Answer:
A
Froude number discriminates flow types.
Q34.
Drainage basin is?
Correct Answer:
A
Drainage basin collects surface water.
Q35.
Sustainable water resource management includes?
Correct Answer:
A
Sustainability balances use and renewal.
Q37.
Septic tankβs primary function is?
Correct Answer:
A
Septic tanks treat waste onsite.