WorksheetsIrrigation Engineering MCQs
Total questions: 20
Worksheet time: 10mins
Which term defines the total quantity of water required by a crop during the entire growing period?
Delta
Duty
Base period
Intensity of irrigation
What is the unit of 'duty' in irrigation engineering?
m³/sec
hectare/cumec
liters/second
mm/day
Which component of a hydrograph indicates the time between the start of a storm and the peak discharge?
Falling limb
Rising limb
Time of concentration
Lag time
A contour canal is laid along which direction relative to contour lines?
Perpendicular
Along
Zigzag
Random
What is the primary purpose of a barrage?
Storage of water
Hydroelectric generation
Diversion of water into canals
Sediment control
Which type of dam is most suitable for narrow gorges with strong abutments?
Earthen dam
Rockfill dam
Arch dam
Gravity dam
The area commanded by a canal system and irrigated in a particular season is called?
Gross command area
Cultivable command area
Intensity of irrigation
Seasonal irrigation area
In which structure does the canal cross over a drainage?
Syphon
Aqueduct
Super passage
Canal fall
Which structure allows water to escape safely from a reservoir when it is full?
Head regulator
Weir
Spillway
Canal outlet
The difference between gross and culturable command area is:
Area not available for cultivation
Water loss due to seepage
Area covered by buildings and roads
Water not delivered to fields
Which turbine is suitable for high heads and low discharge?
Kaplan
Francis
Pelton wheel
Propeller
What is the main function of a head regulator in an irrigation system?
Control sedimentation
Regulate water flow from river to canal
Divert flood waters
Store water
Which of the following is NOT a type of cross-drainage work?
Aqueduct
Level crossing
Barrage
Syphon aqueduct
What does a hydrograph represent?
Variation of rainfall with time
Infiltration rate of soil
Discharge of river with time
Velocity of river flow
Which type of irrigation method is most water-efficient?
Flood irrigation
Furrow irrigation
Sprinkler irrigation
Drip irrigation
In which structure does drainage flow over the canal?
Super passage
Syphon aqueduct
Level crossing
Cross regulator
Which type of dam is most prone to piping failure?
Rockfill dam
Earthen dam
Arch dam
Gravity dam
What is the usual value of intensity of irrigation in India for Rabi season?
80-100%
60-70%
40-50%
20-30%
What type of reservoir is designed to absorb flood flows and protect downstream areas?
Conservation reservoir
Multipurpose reservoir
Detention reservoir
Storage reservoir
What is the main purpose of a cross regulator in a canal system?
Divert drainage water
Prevent sediment deposition
Maintain required water level upstream
Measure flow
