Advanced Irrigation Exam

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Questão 1 de 63

Based on the equation of elevation x the constant PSI per foot. What is the total weight in pounds per square inch at the bottom of the 12 in.-high column?

Selecione uma das seguintes:

1.433
0.433
12.133
6.733

Explicação

Questão 2 de 63

Does container shape make a difference in static pressure situation?

Selecione uma das seguintes:

Yes
No
Need more info
Hard to calculate

Explicação

Questão 3 de 63

Based on the elevation on the above diagram, the PSI at the bottom of each container is:

Selecione uma das seguintes:

Different
Same
Unknown
Need to calculate

Explicação

Questão 4 de 63

In an irrigation system, what are the correct types of water pressure?

Selecione uma ou mais das seguintes:

Dynamic Pressure
Static Pressure
Dynasty Pressure
Symbolic Pressure

Explicação

Questão 5 de 63

How many gallons of water are in one-acre foot?

Selecione uma das seguintes:

42,563
1
325,851
43,566

Explicação

Questão 6 de 63

Which of the following is a unit of pressure measurement that refers to the vertical distance between a liquid's surface and a point at which pressure is being measured?

Selecione uma das seguintes:

GPM
Feet of Head
Feet of Pipe
Feet Per Second

Explicação

Questão 7 de 63

If the pressure at the sprinkler is higher than what's recommended, it can lead to:

Selecione uma das seguintes:

Uniform distribution of water
Misting of water at the sprinkler
Decreased water cost.
Best Precipitation Rate

Explicação

Questão 8 de 63

Chose two correct ways to create pressure in irrigation systems.

Selecione uma ou mais das seguintes:

Elevation
Booster Pump
Static Pressure
Dynamic Pressure

Explicação

Questão 9 de 63

Static Pressure is not affected by size or material of pipe, tank, or reservoir.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 10 de 63

Pressure in a pipe when no water is flowing (water is at rest) is called:

Selecione uma das seguintes:

Static pressure
Dynamic pressure
Friction loss
Velocity

Explicação

Questão 11 de 63

If the pressure at the base of a water column is 50 psi, then how high is the water column?

Selecione uma das seguintes:

138.6FT
126.4FT
112.6 FT
115.5 FT

Explicação

Questão 12 de 63

What is the static pressure at the valve?

Selecione uma das seguintes:

71.34
75.06
72.98
74.96

Explicação

Questão 13 de 63

What will be pressure at the base of this pipe?

Selecione uma das seguintes:

16.63
17.32
17.49
18.78

Explicação

Questão 14 de 63

One PSI equals 2.31 feet of head, and one foot of head equals 0.433 PSI.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 15 de 63

Calculate the static pressure at the valve.

Selecione uma das seguintes:

82.47 PSI
101.96 PSI
90.15 PSI
92.48 PSI

Explicação

Questão 16 de 63

What is the static pressure at the valve?

Selecione uma das seguintes:

90.93 PSI
91.92 PSI
90.93 Feet of Head
91.92 Feet of Head

Explicação

Questão 17 de 63

What is the only factor that affects Static Pressure?

Selecione uma das seguintes:

Elevation
Velocity
Size of pipe
Flow

Explicação

Questão 18 de 63

Only changes in elevation impact static pressure.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 19 de 63

Flow and Velocity is the same measurement of water volume (amount).

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 20 de 63

Selecione da lista do Menu para completar o texto.

When water moves through an irrigation system it is said to be in
a ( Dynamic, Static, High Pressure, Frozen ) state.

Explicação

Questão 21 de 63

Selecione das listas do Menu para completar o texto.

Flow is commonly measured in ( GOM, GPM, GPH, PSI ) for sprinkler systems and in ( GOM, GPH, GPM, PSI ) for drip irrigation systems.

Explicação

Questão 22 de 63

Flow is the amount (volume) of water moving per unit of time. Measured in GPH and GPM

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 23 de 63

Velocity is the speed of moving water. Measured in:

Selecione uma das seguintes:

Feet Per Second (FPS)
Gallons Per Hour (GPH)
Gallons Per Minute (GPM)
Weight Of Water (WOW)

Explicação

Questão 24 de 63

The faster the water moves trough the pipes, the better the sprinklers work.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 25 de 63

The optimal water velocity is:

Selecione uma das seguintes:

25 (FPS)
15 (FPS)
10 (FPS)
5 (FPS)

Explicação

Questão 26 de 63

❌ ^-

The primary causes of water hammer include a combination of:

Selecione uma ou mais das seguintes:

When water is suddenly stopped.
When water suddenly changes direction.
When water moves too fast.
When pressure is too low
Air pockets in the system

Explicação

Questão 27 de 63

❌ ^-

What are the Friction Loss Charts used for?

Selecione uma ou mais das seguintes:

To determine the pressure loss in pipe due to friction losses
To determine the velocity at various flow rates
To find the maximum allowable flow of water in gallons per minute per pipe size
To find the optimal pressure (PSI) per rotor head

Explicação

Questão 28 de 63

Why is an Ohms test commonly performed?

Selecione uma das seguintes:

To measure the electrical resistance in the system wiring, identifying potential issues like faulty solenoids or damaged wires.
To test the voltage at the transformer
To check how many solenoids are on he line
To test the voltage of the solenoid

Explicação

Questão 29 de 63

The voltage of a solenoid can be found by conducting an Ohms test?

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 30 de 63

Both AC and DC latching solenoids can be used in a 24v conventional controller.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 31 de 63

What does AC stand for?

Selecione uma das seguintes:

Alternative Current
Alternating Voltage
Alternating Current
Advancing Circuit

Explicação

Questão 32 de 63

What is the most common Voltage used when turning on an irrigation valve

Selecione uma das seguintes:

24 DC Volts
24 AC Volts
124 AC Volts
9 DC Volts

Explicação

Questão 33 de 63

Ohms is the measurement of the...

Selecione uma das seguintes:

Amps in the line
Resistance in the line
Voltage in the line
Resistance in the transformer

Explicação

Questão 34 de 63

The nominal voltage for an irrigation controller, particularly one designed to operate with standard 24V AC solenoids, should typically be within the range of

Selecione uma das seguintes:

22 to 28 Volts DC.
22 to 28 Volts AC.
9-12 Volts AC
9-12 Volts DC

Explicação

Questão 35 de 63

When doing an Ohms test and finding a reading between 20-60 Ohms means we have....

Selecione uma das seguintes:

A broken/cut wire.
A bad wire splice.
A good line/solenoid.
A short on the wire path.

Explicação

Questão 36 de 63

When conducting an Ohms test. A bad wire splice with an Ohms reading higher than 60 will be referred as...

Selecione uma das seguintes:

Open wire
Partial
Cut wire
Good wire

Explicação

Questão 37 de 63

A ground fault is..

Selecione uma das seguintes:

Earth contact with any part of the wire
a wire splice
an insulated solenoid
a disconnected controller

Explicação

Questão 38 de 63

Precipitation rate in a landscape irrigation system refers to the amount of water applied per unit area per unit time.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 39 de 63

What is the primary purpose of knowing the precipitation rate of a landscape irrigation system?

Selecione uma das seguintes:

To determine the soil's pH level.
To calculate the electrical load on the irrigation controller.
To make sure the system uses just the right amount of water, avoiding both overwatering and underwatering.
To measure the flow rate of water through the main supply line.

Explicação

Questão 40 de 63

❌ ^-

When the nozzles in sprinklers are mixed, it can lead to several issues:

Selecione uma ou mais das seguintes:

Uneven water distribution
Reduced efficiency
Damage to plants
Increased turf health
Optimal performance

Explicação

Questão 41 de 63

What can happen when the nozzles in sprinklers are mixed?

Selecione uma das seguintes:

Improved water coverage and efficiency.
Reduced water usage and lower costs.
Uneven water distribution and potential plant damage.
Increased water pressure and higher flow rates.

Explicação

Questão 42 de 63

Sprinkler head to head spacing refers to:

Selecione uma das seguintes:

The distance between sprinkler heads in a landscape irrigation system.
The height of the sprinkler heads above the ground.
The type of nozzle used in the sprinkler heads.
The water pressure required for the sprinkler system.

Explicação

Questão 43 de 63

Which of the following factors would NOT influence sprinkler head spacing in a landscape irrigation system?

Selecione uma das seguintes:

Sprinkler type
Soil type
Water pressure
Wind conditions

Explicação

Questão 44 de 63

Why is it important to monitor soil moisture levels when scheduling irrigation?

Selecione uma das seguintes:

To ensure plants receive adequate nutrients.
To calculate the best day to water the plant material
To prevent under/overwatering
To prevent the sprinklers from working properly

Explicação

Questão 45 de 63

Which of the following is NOT a characteristic of an efficient irrigation schedule?

Selecione uma das seguintes:

Customized to your specific landscape
Same and unchanging
Weather-based adjustments
Soil moisture monitoring

Explicação

Questão 46 de 63

You have a landscape irrigation system that is currently overwatering your turf. Which of the following adjustments would likely be most effective in reducing water consumption without compromising plant health?

Selecione uma das seguintes:

Increase the water pressure by changing a few nozzles.
Increase the frequency of irrigation cycles by 50%.
Reduce the frequency and duration of irrigation cycles.
Replace your existing sprinklers with a drip irrigation system.

Explicação

Questão 47 de 63

What is the combined process of evaporation and transpiration in landscape irrigation systems?

Selecione uma das seguintes:

Precipitation Rates
Leaching
Evapotranspiration
Water Runoff

Explicação

Questão 48 de 63

Why is understanding evapotranspiration important for landscape irrigation?

Selecione uma das seguintes:

To determine the type of sprinkler heads to use
To estimate water needs for plants
To calculate the cost of water
To prevent soil erosion

Explicação

Questão 49 de 63

Which of the following factors does NOT affect evapotranspiration rates?

Selecione uma das seguintes:

Temperature
Humidity
Soil type
Wind

Explicação

Questão 50 de 63

How can understanding evapotranspiration help you improve your landscape irrigation practices?

Selecione uma das seguintes:

By reducing the frequency of watering
By increasing the amount of water applied
By optimizing your irrigation schedule
By changing the type of plants you grow

Explicação

Questão 51 de 63

What is the primary purpose of an irrigation system?

Selecione uma das seguintes:

To fertilize the soil
To control weeds
To provide water to plants efficiently
To prevent soil erosion

Explicação

Questão 52 de 63

Which soil type has the highest water-holding capacity?

Selecione uma das seguintes:

Sandy soil
Silt soil
Clay soil
Loamy soil

Explicação

Questão 53 de 63

What is the function of a backflow preventer in an irrigation system?

Selecione uma das seguintes:

To reduce water pressure
To prevent water from flowing backward and contaminating the potable water supply
To increase the flow rate
To filter sediment from water

Explicação

Questão 54 de 63

What is the primary purpose of a pressure regulator in an irrigation system?

Selecione uma das seguintes:

To increase water pressure
To maintain a consistent pressure level within the system
To filter out debris
To control the flow rate

Explicação

Questão 55 de 63

What is the purpose of a "zone" in an irrigation system?

Selecione uma das seguintes:

To divide the area into manageable sections for watering
To increase water pressure
To reduce water consumption
To control the water temperature

Explicação

Questão 56 de 63

What does the term "solenoid" refer to in an irrigation valve?

Selecione uma das seguintes:

A mechanical component that controls water flow
An electrical device that opens and closes the valve
A type of pipe fitting
A tool used for trenching

Explicação

Questão 57 de 63

Which of the following is a common problem with irrigation controllers?

Selecione uma das seguintes:

Power surges
Incorrect programming
High water pressure
Overgrown grass

Explicação

Questão 58 de 63

Which of the following best describes the term "water window" in irrigation?

Selecione uma das seguintes:

The time frame in which irrigation is allowed to run
The maximum amount of water that can be applied at one time
The period during which the system is checked for leaks
The optimal time to check soil moisture

Explicação

Questão 59 de 63

Irrigation is primarily intended to:

Selecione uma das seguintes:

Directly water plants
Replenish the water source for plants
Prevent soil erosion
Control weeds

Explicação

Questão 60 de 63

To effectively manage water in the root zone and program an irrigation controller correctly, which of the following factors should be considered?

Selecione uma das seguintes:

Amount of water needed for plants
Acceptable level of soil moisture depletion
Application rate of the irrigation system
Efficiency of the irrigation system
All of the above

Explicação

Questão 61 de 63

The precipitation rate of a sprinkler or a zone in a sprinkler system is defined as:

Selecione uma das seguintes:

The amount of water applied that is available in the root zone
The rate at which water is applied over a given area, measured in inches per hour
The specific water requirement of the plant
The overall efficiency of the sprinkler system

Explicação

Questão 62 de 63

Use the following to calculate the Watering Frequency:
Watering cool season turf with an 8-inch (0.66 ft) root zone, and a crop coefficient of 0.70. Soil is clay loam with available water of 1.00 in/ft with a slight slope. Precipitation rate is 0.5 in/hr. Your location has a daily moisture loss (ET) rate of 0.12 inches. The application efficiency is 68%. MAD = 50%

Frequency = (AW x RZ x MAD) / (ET x Kc)

Selecione uma das seguintes:

1-2 day interval
3-4 day interval
5-6 day interval
There is not enough information to calculate the watering frequency

Explicação

Questão 63 de 63

Use the same values to calculate the Run Time per interval:

Watering cool season turf with an 8-inch (0.66 ft) root zone, and a crop coefficient of 0.70. Soil is clay loam with available water of 1.00 in/ft with a slight slope. Precipitation rate is 0.5 in/hr. Your location has a daily moisture loss (ET) rate of 0.12 inches. The application efficiency is 68%. MAD = 50%. Use 2 days a week watering schedule.

Run Time = (60 x F x ET x Kc) / (PR x EA)

Selecione uma das seguintes:

16 minutes
29 minutes
47 minutes
There is not enough information to determine the run time

Explicação

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	Criado por Sergio Olvera 6 meses atrás

A comprehensive exam, designed to evaluate the irrigation knowledge and skills of professionals seeking to advance their expertise in advanced landscape irrigation techniques.

Advanced Irrigation Exam

Questão 1 de 63

Based on the equation of elevation x the constant PSI per foot. What is the total weight in pounds per square inch at the bottom of the 12 in.-high column?

Selecione uma das seguintes:

Explicação

Questão 2 de 63

Does container shape make a difference in static pressure situation?

Selecione uma das seguintes:

Explicação

Questão 3 de 63

Based on the elevation on the above diagram, the PSI at the bottom of each container is:

Selecione uma das seguintes:

Explicação

Questão 4 de 63

In an irrigation system, what are the correct types of water pressure?

Selecione uma ou mais das seguintes:

Explicação

Questão 5 de 63

How many gallons of water are in one-acre foot?

Selecione uma das seguintes:

Explicação

Questão 6 de 63

Which of the following is a unit of pressure measurement that refers to the vertical distance between a liquid's surface and a point at which pressure is being measured?

Selecione uma das seguintes:

Explicação

Questão 7 de 63

If the pressure at the sprinkler is higher than what's recommended, it can lead to:

Selecione uma das seguintes:

Explicação

Questão 8 de 63

Chose two correct ways to create pressure in irrigation systems.

Selecione uma ou mais das seguintes:

Explicação

Questão 9 de 63

Static Pressure is not affected by size or material of pipe, tank, or reservoir.

Selecione uma das opções:

Explicação

Questão 10 de 63

Pressure in a pipe when no water is flowing (water is at rest) is called:

Selecione uma das seguintes:

Explicação

Questão 11 de 63

If the pressure at the base of a water column is 50 psi, then how high is the water column?

Selecione uma das seguintes:

Explicação

Questão 12 de 63

What is the static pressure at the valve?

Selecione uma das seguintes:

Explicação

Questão 13 de 63

What will be pressure at the base of this pipe?

Selecione uma das seguintes:

Explicação

Questão 14 de 63

One PSI equals 2.31 feet of head, and one foot of head equals 0.433 PSI.

Selecione uma das opções:

Explicação

Questão 15 de 63

Calculate the static pressure at the valve.

Selecione uma das seguintes:

Explicação

Questão 16 de 63

What is the static pressure at the valve?

Selecione uma das seguintes:

Explicação

Questão 17 de 63

What is the only factor that affects Static Pressure?

Selecione uma das seguintes:

Explicação

Questão 18 de 63

Only changes in elevation impact static pressure.

Selecione uma das opções:

Explicação

Questão 19 de 63

Flow and Velocity is the same measurement of water volume (amount).

Selecione uma das opções:

Explicação

Questão 20 de 63

Selecione da lista do Menu para completar o texto.

When water moves through an irrigation system it is said to be in
a ( Dynamic, Static, High Pressure, Frozen ) state.

Flow is commonly measured in ( GOM, GPM, GPH, PSI ) for sprinkler systems and in ( GOM, GPH, GPM, PSI ) for drip irrigation systems.