Irrigation and Drainage Engineering MCQs
Irrigation and Drainage Engineering MCQs
Answer these 200+ Irrigation and Drainage Engineering MCQs and see how sharp is your knowledge of Irrigation and Drainage Engineering.
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1: What is the speed at which water can penetrate or infiltrate the soil?
A. Diffusion Rate
B. Infiltration Rate
C. Penetration Rate
D. Permeability
E. Absorption Rate
2: What affects absorption rate?
A. Soil type
B. Plant spacing
C. Plant type
D. Age of plant
3: What is the depth of soil which a plant extracts most of its water needs for evapotranspiration?
A. Topsoil
B. Subsoil Zone
C. Subsoil
D. Surface Zone
E. Root Zone
4: What is the operating pressure measured at the base of a sprinkler head?
A. Actual Head Pressure
B. Maximum Operating Head Pressure
C. Nominal Head Pressure
D. Maximum Operating Pressure
5: To what degree must the actual head pressure be greater than the minimum head pressure?
A. Equal to
B. Less than
C. Greater than
6: What unit is used to indicate the unobstructed vertical distance between the lowest point of a water supply outlet and the flood level rim of the fixture or assembly into which the outlet discharges?
A. Inch
B. Air gap
C. Foot
7: When the system is not running, what allows air into the drip line?
A. Air Injection Valve
B. In line Filter
C. Air/Vacuum Relief Valve
D. Drip Line Fitting
E. Bypass Valve
8: How does the Air Relief Valve on a subsurface drip irrigation system prevent debris or contaminants from being sucked into the piping system?
A. Eliminates any vacuum
B. Keeps the water flowing quickly
C. Allows water to flow freely
9: What is LAND called?
A. Allowable depletion
B. Mineral
C. Forest
D. Mineral rights
10: What does the term AC refer to?
A. A type of light bulb
B. Alternating Voltage
C. Alternating Current
D. Alternating Current Frequency
E. A method for measuring temperature
11: AC current reverses its direction what way?
A. Steadily
B. Directly
C. In one direction then the other
D. Irregularly
E. Periodically
12: What is a good name for an anti-siphon device?
A. Sewage backup device
B. Pressure-type vacuum breaker
C. Automatic shut-off valve
D. Overflow prevention device
13: What type of vacuum breaker prevents air from entering the system?
A. Centrifugal type
B. Pressure-type
C. Venturi-type
D. Loss-type
E. Vent-type
14: How many methods are there to evaluate application rates?
A. Ten
B. Three
C. Five
D. Four
15: What is the name given to the rate at which water is applied by sprinkler heads?
A. Sprinkler Head Diameter
B. Coverage Rate
C. Application Rate
D. Number of Sprinklers on Lawn
E. Gallons per hour
16: What is the term for a layer of porous rock, sand, etc. containing water, into which wells can be sunk?
A. Reservoir
B. Aquifer
C. Aquatic habitat
D. Seepage
17: What might be contained within an aquifer?
A. Water
B. Gas
C. Oil
18: What would a 360-degree arc be called?
A. Half-circle sprinkler
B. Circular lawn mower
C. Circular arc
D. Full circle sprinkler
E. Half circle sprinkler
19: Architect Scale is a form of what?
A. Height
B. Weight
C. Foot measurements
D. Time
20: Architect Scale is a system of units used to measure architectural dimensions in what units?
A. Feet
B. Meters
C. Parts of an inch
21: What is the name of a corrected or redrawn plan showing the "actual scaled" location of all major components of the system and other information?
A. As-Built Plan
B. System Plan
C. System Control Plan
D. Plant Layout Plan
E. Final System Plan
22: What is an invaluable tool for irrigators to locate major components at a later date?
A. An as-built plan
B. A GPS
C. A survey
D. A soil map
E. A map
23: What is the acronym for Atmospheric Vacuum Breaker?
A. HAVB
B. A/V
C. AVB
D. ABS
E. AOB
24: How often can a AVB not be under constant pressure?
A. More than 24 hours
B. More than 12 hours
C. More than 48 hours
25: What is the term used to refer to the valves in a sprinkler system that are activated by an automatic controller?
A. Automatic Control Valve
B. Valves
C. On/Off Valve
D. Supervisory Control Valve
E. Trigger Valve
26: What type of valve is called an Automatic Control Valve?
A. Ball or butterfly
B. Electrical or hydraulic
C. Ball
D. Manual Control Valve
E. Check
27: What type of irrigation system will automatically cycle according to a preset program?
A. Drip System
B. Irrigation Controller
C. Manual System
D. Hydrostatic System
E. Automatic System
28: What would an "Automatic System" do?
A. Take a break
B. Fill up
C. Shut off water to entire house
D. Raise water temperature
E. Cycle (water)
29: What is the amount of water a plant needs?
A. Pints of water per inch of soil
B. Gallons of water per gallon of soil
C. Inch of water per inch of soil
D. Cubic feet of water per cubic foot of soil
E. Gallons of water per inch of soil
30: What does "Wet Foot Dry Foot" mean?
A. Wet Nose
B. Water
C. Sanitation
D. Feet
E. Wet Cave
31: What is the abbreviation for American Water Works Association?
A. AWWA
B. AAWA
C. AWWA-C
D. AWWA-D
32: What association is Abbreviated to?
A. American Water Works Association
B. Central Intelligence Agency
C. American Chemical Society
D. American Medical Association
E. Button
33: What is the unwanted reversal of water flow in piping systems?
A. Overflow
B. Backflow
C. Siphonage
D. Spill
34: What condition could create pressure in the discharge side of the piping system that is greater than that of the supply side of the system?
A. Overpressurization
B. Bursting pressure
C. Over-pressure
D. Blockage in the piping system
E. Backpressure
35: Backsiphonage is a result of what?
A. Excessive breathing
B. Over-hydration
C. Ingestion of a foreign body
D. Negative or sub-atmospheric pressure
E. Inhalation of vomit
36: What happens when a backsiphonage is present?
A. Sewage backup in a major city leads to the shutdown of some local businesses
B. Increased water usage by the backflow prevention device
C. A break in the city main line or a fire department utilizing excessive water to fight a nearby fire
D. The city main line becomes blocked and requires workers to manually unblock it
E. A water main breaks and flooding occurs
37: Any approved device which prevents an undesirable reversal of flow of water by the introduction of air, use of check valves, or a combination of both principles is known as what?
A. Pressure Reducing Devices
B. Water Purifier
C. Shut-Off Valves
D. Water Softener
E. Backflow Prevention Methods
38: What type of sprinkler has a steel ball that is set in motion by water?
A. Ball Driven Heads
B. Rotating Spouts
C. Rotary Sprinkler
D. Bucket Driven Heads
E. Rotating Blades
39: What do blocks of sprinklers do?
A. Controlled by several zone valves
B. Sprinklers shoot water in all directions
C. Controlled by one zone valve
40: What type of valve controls a section of sprinklers?
A. Master
B. Valve
C. Fuse
D. Zone
E. Sequencer
41: What is the term for the exterior case of the sprinkler?
A. Valve
B. Body
C. Head
D. Can
42: What is the name of the pump that is installed in the water supply line?
A. Filter Pump
B. Reverse Osmosis Pump
C. By-pass Pump
D. Booster Pump
E. Compressor
43: What is the purpose of a booster pump?
A. To transfer water from one body of water to another
B. To remove water from the irrigation system
C. To raise the pressure in the irrigation system
D. To raise the water level in a canal
E. To fill the water tank
44: A bubbler is designed to irrigate what?
A. Fruit trees
B. Flowers
C. A garden
D. A lawn
E. Level and definedshrub beds
45: What type of sprinkler head does not irrigate shrub beds?
A. Bubblers
B. Sprinklers
C. Sprinklers with a rose
D. Rotary sprinklers
E. Rain barrels
46: Water is distributed through the soil by what process?
A. Capillary Action
B. Oxidation
C. Irrigation
D. Occurrence
E. Filtration
47: What does the main effect distribute through the soil?
A. Phosphorus
B. Water
C. Nitrogen
48: What is the main effect of capillary action?
A. Increasing the speed of water flow
B. Increased water flow
C. Increased water pressure
D. Producing more oxygen
E. Distributing water horizontally
49: What is the name of the term for a container that is used to collect measurable water in order to conduct a water audit?
A. Pond
B. Tank
C. Water Tank
D. Catchment Devices
E. Rain Gauge
50: What are catchment devices used to collect measurable water in order to do?
A. Construct a water intake structure
B. Install rain gardens
C. Construct a detention pond
D. Construct a rainwater harvesting system
E. Conduct a water audit
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