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Determine the net depth of irrigation required to irrigate the field 1000 m long and 10 m wide from a source supplying water at the rate of 30000 liters / hr in clay loam soil in moderate climate. The field capacity of the soil is 27% depth of root zone is 1m, specific gravity of the soil is 1.35 and irrigation is started when 50% of
the available moisture has been used _______ mm
the available moisture has been used _______ mm
(Important - Enter only the numerical value in the answer)
Correct answer is '182'. Can you explain this answer?
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Determine the net depth ofirrigation required to irrigate thefield 100...
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Determine the net depth ofirrigation required to irrigate thefield 100...
Given data:
- Length of the field (L) = 1000 m
- Width of the field (W) = 10 m
- Rate of water supply (Q) = 30000 liters/hr
- Field capacity of the soil (FC) = 27%
- Depth of root zone (Drz) = 1 m
- Specific gravity of the soil (S) = 1.35
- Irrigation is started when 50% of the available moisture has been used
Calculating the volume of water required:
The volume of water required to irrigate the field can be calculated using the following formula:
V = L x W x d
Where,
V = Volume of water required (in liters)
L = Length of the field (in meters)
W = Width of the field (in meters)
d = Net depth of irrigation required (in meters)
Converting the rate of water supply from liters/hr to cubic meters/hr:
Q = 30000 liters/hr = 30 cubic meters/hr
Calculating the available moisture:
The available moisture can be calculated using the field capacity of the soil:
Available Moisture = FC x Drz
Substituting the given values:
Available Moisture = 27% x 1 m = 0.27 m
Calculating the depth of moisture used:
The depth of moisture used can be calculated as 50% of the available moisture:
Depth of Moisture Used = 50% x Available Moisture
Substituting the given values:
Depth of Moisture Used = 50% x 0.27 m = 0.135 m
Calculating the net depth of irrigation required:
The net depth of irrigation required can be calculated as the difference between the depth of moisture used and the depth of root zone:
Net Depth of Irrigation Required = Depth of Moisture Used - Drz
Substituting the given values:
Net Depth of Irrigation Required = 0.135 m - 1 m = -0.865 m
Since the net depth of irrigation cannot be negative, we can assume it to be zero.
Converting the volume of water required to millimeters:
To convert the volume of water required from cubic meters to millimeters, we can use the following conversion factor:
1 cubic meter = 1000 liters = 1000000 millimeters
Converting the volume of water required:
V = 30 cubic meters/hr x 1000000 millimeters/cubic meter
V = 30,000,000 millimeters/hr
Calculating the time required to irrigate the field:
The time required to irrigate the field can be calculated using the following formula:
Time = Volume of water required / Rate of water supply
Substituting the given values:
Time = 30,000,000 millimeters / 30 cubic meters/hr
Time = 1,000,000 millimeters / 1 cubic meter/hr
Calculating the net depth of irrigation required:
The net depth of irrigation required can be calculated using the following formula:
Net Depth of Irrigation Required = Time / Length of the field
Substituting the given values:
Net Depth of Irrigation Required = 1,000,000 millimeters / 1000 m
Net Depth of Irrigation Required
- Length of the field (L) = 1000 m
- Width of the field (W) = 10 m
- Rate of water supply (Q) = 30000 liters/hr
- Field capacity of the soil (FC) = 27%
- Depth of root zone (Drz) = 1 m
- Specific gravity of the soil (S) = 1.35
- Irrigation is started when 50% of the available moisture has been used
Calculating the volume of water required:
The volume of water required to irrigate the field can be calculated using the following formula:
V = L x W x d
Where,
V = Volume of water required (in liters)
L = Length of the field (in meters)
W = Width of the field (in meters)
d = Net depth of irrigation required (in meters)
Converting the rate of water supply from liters/hr to cubic meters/hr:
Q = 30000 liters/hr = 30 cubic meters/hr
Calculating the available moisture:
The available moisture can be calculated using the field capacity of the soil:
Available Moisture = FC x Drz
Substituting the given values:
Available Moisture = 27% x 1 m = 0.27 m
Calculating the depth of moisture used:
The depth of moisture used can be calculated as 50% of the available moisture:
Depth of Moisture Used = 50% x Available Moisture
Substituting the given values:
Depth of Moisture Used = 50% x 0.27 m = 0.135 m
Calculating the net depth of irrigation required:
The net depth of irrigation required can be calculated as the difference between the depth of moisture used and the depth of root zone:
Net Depth of Irrigation Required = Depth of Moisture Used - Drz
Substituting the given values:
Net Depth of Irrigation Required = 0.135 m - 1 m = -0.865 m
Since the net depth of irrigation cannot be negative, we can assume it to be zero.
Converting the volume of water required to millimeters:
To convert the volume of water required from cubic meters to millimeters, we can use the following conversion factor:
1 cubic meter = 1000 liters = 1000000 millimeters
Converting the volume of water required:
V = 30 cubic meters/hr x 1000000 millimeters/cubic meter
V = 30,000,000 millimeters/hr
Calculating the time required to irrigate the field:
The time required to irrigate the field can be calculated using the following formula:
Time = Volume of water required / Rate of water supply
Substituting the given values:
Time = 30,000,000 millimeters / 30 cubic meters/hr
Time = 1,000,000 millimeters / 1 cubic meter/hr
Calculating the net depth of irrigation required:
The net depth of irrigation required can be calculated using the following formula:
Net Depth of Irrigation Required = Time / Length of the field
Substituting the given values:
Net Depth of Irrigation Required = 1,000,000 millimeters / 1000 m
Net Depth of Irrigation Required
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Determine the net depth ofirrigation required to irrigate thefield 1000 m long and 10 m widefrom a source supplying water atthe rate of 30000 liters / hr in clayloam soil in moderate climate. Thefield capacity of the soil is 27%depth of root zone is 1m, specificgravity of the soil is 1.35 andirrigation is started when 50% ofthe available moisture has beenused _______ mm(Important - Enter only the numerical value in the answer)Correct answer is '182'. Can you explain this answer?
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Determine the net depth ofirrigation required to irrigate thefield 1000 m long and 10 m widefrom a source supplying water atthe rate of 30000 liters / hr in clayloam soil in moderate climate. Thefield capacity of the soil is 27%depth of root zone is 1m, specificgravity of the soil is 1.35 andirrigation is started when 50% ofthe available moisture has beenused _______ mm(Important - Enter only the numerical value in the answer)Correct answer is '182'. Can you explain this answer? for Civil Engineering (CE) 2025 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Determine the net depth ofirrigation required to irrigate thefield 1000 m long and 10 m widefrom a source supplying water atthe rate of 30000 liters / hr in clayloam soil in moderate climate. Thefield capacity of the soil is 27%depth of root zone is 1m, specificgravity of the soil is 1.35 andirrigation is started when 50% ofthe available moisture has beenused _______ mm(Important - Enter only the numerical value in the answer)Correct answer is '182'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Determine the net depth ofirrigation required to irrigate thefield 1000 m long and 10 m widefrom a source supplying water atthe rate of 30000 liters / hr in clayloam soil in moderate climate. Thefield capacity of the soil is 27%depth of root zone is 1m, specificgravity of the soil is 1.35 andirrigation is started when 50% ofthe available moisture has beenused _______ mm(Important - Enter only the numerical value in the answer)Correct answer is '182'. Can you explain this answer?.
Determine the net depth ofirrigation required to irrigate thefield 1000 m long and 10 m widefrom a source supplying water atthe rate of 30000 liters / hr in clayloam soil in moderate climate. Thefield capacity of the soil is 27%depth of root zone is 1m, specificgravity of the soil is 1.35 andirrigation is started when 50% ofthe available moisture has beenused _______ mm(Important - Enter only the numerical value in the answer)Correct answer is '182'. Can you explain this answer? for Civil Engineering (CE) 2025 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Determine the net depth ofirrigation required to irrigate thefield 1000 m long and 10 m widefrom a source supplying water atthe rate of 30000 liters / hr in clayloam soil in moderate climate. Thefield capacity of the soil is 27%depth of root zone is 1m, specificgravity of the soil is 1.35 andirrigation is started when 50% ofthe available moisture has beenused _______ mm(Important - Enter only the numerical value in the answer)Correct answer is '182'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Determine the net depth ofirrigation required to irrigate thefield 1000 m long and 10 m widefrom a source supplying water atthe rate of 30000 liters / hr in clayloam soil in moderate climate. Thefield capacity of the soil is 27%depth of root zone is 1m, specificgravity of the soil is 1.35 andirrigation is started when 50% ofthe available moisture has beenused _______ mm(Important - Enter only the numerical value in the answer)Correct answer is '182'. Can you explain this answer?.
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