Correct Answer:
When the inlet pressure exceeds a pre-set pressure
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2. What will open when the inlet pressure exceeds a pre-set pressure?
Answer
Correct Answer:
Pressure Relief Valve
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3. What does a pressure regulator lower the water pressure on?
Answer
Correct Answer:
Downstream side of the unit
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4. What do pressure regulators do?
Answer
Correct Answer:
Lowers the water pressure on the downstream side
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5. What is a method of controlling wall thickness of pipe?
Answer
Correct Answer:
Pressure Rating
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6. What is the loss of pressure caused by?
Answer
Correct Answer:
Friction or increase in elevation
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7. What is the loss of pressure caused by friction?
Answer
Correct Answer:
Pressure Loss
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8. What type of heads improve the uniformity of the system?
Answer
Correct Answer:
Pressure Compensating
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9. How much energy is available to move water through the irrigation components?
Answer
Correct Answer:
Pressure
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10. How fast could a watered cool season lawn grow?
Answer
Correct Answer:
4-7 inches
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11. What is used to protect the potable water supply?
Answer
Correct Answer:
Backflow prevention device
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12. What is the term for water that is suitable for human consumption?
Answer
Correct Answer:
Potable Water
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13. What type of fittings do Polyethylene Pipe use?
Answer
Correct Answer:
Insert
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14. When is P.E. used?
Answer
Correct Answer:
Flexible plastic pipe which uses insert fittings
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15. What is the term for the location of a connection?
Answer
Correct Answer:
P.O.C.
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16. P.O.C. is the location where a connection is made on what?
Answer
Correct Answer:
The service line
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17. What is the term for the amount of water plants need to survive and grow?
Answer
Correct Answer:
Plant Watering Requirement
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18. Plant Watering Requirement (PWR) is the same as what after being adjusted for various factors?
Answer
Correct Answer:
Evapotranspiration
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19. How much water is available to plants?
Answer
Correct Answer:
Available Water
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20. What is the abbreviation for Plant Available Water?
Answer
Correct Answer:
PA W
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21. What can be connected to a pitot tube to measure the water pressure at the nozzle of a rotary irrigation head?
Answer
Correct Answer:
A pressure gauge
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22. What can be used to measure the water pressure?
Answer
Correct Answer:
Pitot Tube
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23. What does the acronym "Nozzle Tree" refer to?
Answer
Correct Answer:
Refers to the interchangeable nozzle assortment
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24. What does the term nozzle tree refer to?
Answer
Correct Answer:
Interchangeable nozzle assortment
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25. What does the term Open Valve mean?
Answer
Correct Answer:
An automatic valve through which water will flow unless external influences are applied to close the valve.
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26. What are valves called that will close unless they are closed?
Answer
Correct Answer:
Open Valve
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27. What type of valve is normally open?
Answer
Correct Answer:
Hydraulic valves
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28. What type of valve doesn't open unless you manually open it?
Answer
Correct Answer:
Closed Valve
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29. What are electrical valves called when they're in a closed state?
Answer
Correct Answer:
Normally closed
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30. What type of program could be saved to non-volatile memory without the use of battery power?
Answer
Correct Answer:
Irrigation controller
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31. What type of memory does the irrigation controller feature hold during a power outage?
Answer
Correct Answer:
Non-Volatile Memory
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32. What kind of water can't be consumed?
Answer
Correct Answer:
Non-Potable Water
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33. What does the term "non-potable water" mean?
Answer
Correct Answer:
Water not suitable for human consumption
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34. Water not suitable for what is it used for?
Answer
Correct Answer:
Human consumption
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35. What is the used to adjust the potential (or reference) evapotranspiration in relation to the microclimate?
Answer
Correct Answer:
Coefficient
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36. What is used to adjust the potential evapotranspiration in relation to the microclimate?
Answer
Correct Answer:
Microclimate Factor
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37. What is the word that means the surrounding geographical and environmental influences that affect an individual site and alter the water scheduling?
Answer
Correct Answer:
Climate
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38. What is the term for heads that deliver similar rates regardless of the pattern they cover?
Answer
Correct Answer:
Matched precipitation
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39. What type of head delivers 360 degree coverage?
Answer
Correct Answer:
Full circle
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40. How much area does the full circle head have to cover?
Answer
Correct Answer:
Twice
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41. What is an automatic or manual valve installed at the supply point that controls water flow into the system main line piping?
Answer
Correct Answer:
Master Valve
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42. What are the valves in a manual system opened and closed manually?
Answer
Correct Answer:
Control valves
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43. What are control valves that are operated manually?
Answer
Correct Answer:
Manual System
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44. How many control valves can be grouped together in one location and/or valve box?
Answer
Correct Answer:
Two or more
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45. Main line piping is the piping from the backflow prevention device to what?
Answer
Correct Answer:
Remote control valves
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46. What is the largest pipe on the irrigation system?
Answer
Correct Answer:
The main line
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47. What type of valves are the remote control valves?
Answer
Correct Answer:
Quick coupler valves
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48. How many directions can a main line provide water to valves from?
Answer
Correct Answer:
Two or more
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49. What does lateral piping allow the sprinkler heads to be connected to?
Answer
Correct Answer:
Piping between the remote control valve
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50. What does the term 'Landscape Coefficient' mean?
Answer
Correct Answer:
Coefficient used in adjusting the reference evapotranspiration by species, density, and microclimate factors
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51. What is used to adjust reference evapotranspiration by species density and microclimate factors?
Answer
Correct Answer:
Landscape Coefficient
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52. What is the art and management of applying water to the landscape in a manner to encourage the growth of plant material and support water conservation known as?
Answer
Correct Answer:
Landscape Irrigation
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53. What is the main shut-off device for the complete irrigation system?
Answer
Correct Answer:
Isolation Valve
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54. An isolation valve generally is a what?
Answer
Correct Answer:
Gate or ball valve
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55. What is the purpose of irrigation?
Answer
Correct Answer:
Dust reduction or erosion control
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56. What is the term for irrigation components that are permanently assembled together?
Answer
Correct Answer:
Irrigation System
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57. What is the purpose of Irrigation Design?
Answer
Correct Answer:
A plan showing graphic or dimensional location of the components of an irrigation system
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58. What is a plan showing graphic or dimensional location of the components of an irrigation system?
Answer
Correct Answer:
Irrigation Design
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59. What term is used to refer to the size of an iron pipe?
Answer
Correct Answer:
Iron Pipe Size
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60. What is another name for Iron Pipe Size?
Answer
Correct Answer:
IPS
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61. What is another name for polyethylene pipe and tubing?
Answer
Correct Answer:
Fitting
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62. What is another name for the In-Line Valve?
Answer
Correct Answer:
Remote control valve
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63. What is another name for an in-line valve?
Answer
Correct Answer:
A remote control valve
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64. What component regulates the on/off mode of the water from the main line to the sprinkler heads?
Answer
Correct Answer:
In-Line Valve
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65. What is another term for infiltration rate?
Answer
Correct Answer:
Absorption Rate or Percolation Rate
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66. What type of sprinkler head has a driver arm mounted on the side to spin it?
Answer
Correct Answer:
Impact Head
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67. What part of the rotary sprinkler head is used to create rotation?
Answer
Correct Answer:
Driver arm
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68. Water that is held tightly by the soil is called what?
Answer
Correct Answer:
Hygroscopic Water
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69. What is the process of plant material with similar watering requirements due to environmental and/or geographic influences including, but not limited to, soil type, slope, site orientation, and solar radiation?
Answer
Correct Answer:
Hydrozone
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70. Along with plant type, slope and site orientation, what else could influence plant watering requirements?
Answer
Correct Answer:
Solar radiation
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71. What is the study of fluid while in motion or at rest?
Answer
Correct Answer:
Hydraulics
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72. What is the name of the hydraulic controlled system?
Answer
Correct Answer:
LAN Hydraulically Controlled
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73. How does LAN Hydraulically Controlled operate valves?
Answer
Correct Answer:
Through tubing
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74. What is the term for Heads-to-Head Spacing?
Answer
Correct Answer:
50% spacing
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75. What does the term 'head spacing' mean?
Answer
Correct Answer:
The spacing between sprinkler heads
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76. What is the term for the spacing between sprinkler heads?
Answer
Correct Answer:
Head Spacing
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77. What is a pollutant?
Answer
Correct Answer:
A substance that may affect the color or odor of the water
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78. What is a measure of the degree of risk or harm to the public's health?
Answer
Correct Answer:
Hazard
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79. What is the term for Gray Water?
Answer
Correct Answer:
Domestic wastewater
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80. What is the substance that doesn't include toilet water containing human waste?
Answer
Correct Answer:
Gray Water
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81. GPM stands for what?
Answer
Correct Answer:
Gallons per minute
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82. GPM is a standard measurement of what?
Answer
Correct Answer:
Water flow
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83. What is the volume of one gallon in fluid ounces?
Answer
Correct Answer:
Gallons
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84. GPH – Abbreviation for "gallons per hour". Used when working with what type of irrigation system?
Answer
Correct Answer:
Drip irrigation
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85. What is used in some Globe Valve plug designs?
Answer
Correct Answer:
Rubber or composition
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86. What does the rotation of the gear driven heads is slower?
Answer
Correct Answer:
Constant
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87. What is another name for type of rotary sprinkler?
Answer
Correct Answer:
Driven Heads
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88. What type of loss is present when water flows through piping?
Answer
Correct Answer:
Friction
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89. What size does an increase in the distance have to be for piping or wiring to account for friction loss?
Answer
Correct Answer:
Larger
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90. The farther the distance, the more friction loss in water flow and more resistance in what is encountered?
Answer
Correct Answer:
Wiring
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91. What can Valve Company product use to restrict full flow?
Answer
Correct Answer:
Wedge-type metal-to-metal gate or disk
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92. What does the term 'point of connection' refer to?
Answer
Correct Answer:
POC
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93. Friction loss is encountered on rough surfaces of what?
Answer
Correct Answer:
Pipe or component
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94. What causes a pressure loss due to friction?
Answer
Correct Answer:
Water flows through all components
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95. What is the unit of measure that FPS stands for?
Answer
Correct Answer:
Feet per second
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96. An example of a 100' water tower is 100 ft. of what?
Answer
Correct Answer:
Head
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97. What are called the Flush Valves a necessary component in?
Answer
Correct Answer:
Drip irrigation systems
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98. What are flush valves used in irrigation systems to keep lines free of?
Answer
Correct Answer:
Debris
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99. What is a necessary component in drip irrigation systems to keep lines free of debris?
Answer
Correct Answer:
Flush Valves
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100. Flush valves are a desirable, if not necessary, component to keep what free of debris?
Answer
Correct Answer:
Lines
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101. What is the term used to describe the higher initial momentary flow through a drip or trickle system?
Answer
Correct Answer:
Flush Flow
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102. What affects the flow of water causing a pressure loss?
Answer
Correct Answer:
Physical restrictions
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103. What impact do physical restrictions have on flow?
Answer
Correct Answer:
Causing a pressure loss
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104. What is another name for an automatic valve?
Answer
Correct Answer:
Electrical or hydraulic
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105. What is the type of valve that can be adjusted mechanically?
Answer
Correct Answer:
Flow Control Valve
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106. What causes friction loss in piping systems?
Answer
Correct Answer:
The movement of water
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107. Friction loss is caused by the movement of water in what system?
Answer
Correct Answer:
A piping system
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108. What is FIP referred to as?
Answer
Correct Answer:
Female Iron Pipe
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