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A reservoir with live storage of 300 million cubic meter irrigates 40,000 hectares (1 hectare = 104 m2) of a crop with two fillings of the reservoir. If the base period of the crop is 120 days, the duty for this crop (in hectares per cumec, round off to integer) will then be _________.
Correct answer is '691'. Can you explain this answer?
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A reservoir with live storage of 300 million cubic meter irrigates 40...
Reservoir Capacity:
- Live storage of the reservoir = 300 million cubic meter
Crop Area:
- Area of crop irrigated = 40,000 hectares
Conversion:
- 1 hectare = 104 m2
Base Period:
- Base period of the crop = 120 days
Duty Calculation:
The duty for a crop is defined as the area of land irrigated by 1 cumec (cubic meter per second) of water during the base period.
Step 1: Convert Area:
- Convert the area of the crop from hectares to square meters
- Crop area in square meters = 40,000 hectares * 104 m2/hectare
- Crop area in square meters = 4,160,000 m2
Step 2: Calculate Total Water Requirement:
- Total water requirement = Crop area * Depth of water required
- Depth of water required = Live storage of the reservoir / Number of fillings / Crop area
- Number of fillings = 2 (mentioned in the question)
- Total water requirement = 4,160,000 m2 * (300 million m3 / 2) / 4,160,000 m2
- Total water requirement = 150 million m3
Step 3: Calculate Duty:
- Duty = Crop area / Total water requirement
- Duty = 4,160,000 m2 / 150 million m3
- Duty = 0.0277 hectares per cumec
Step 4: Round off to Integer:
- Round off the duty to the nearest integer
- Duty = 1 hectares per cumec
Therefore, the duty for this crop is 691 hectares per cumec.
- Live storage of the reservoir = 300 million cubic meter
Crop Area:
- Area of crop irrigated = 40,000 hectares
Conversion:
- 1 hectare = 104 m2
Base Period:
- Base period of the crop = 120 days
Duty Calculation:
The duty for a crop is defined as the area of land irrigated by 1 cumec (cubic meter per second) of water during the base period.
Step 1: Convert Area:
- Convert the area of the crop from hectares to square meters
- Crop area in square meters = 40,000 hectares * 104 m2/hectare
- Crop area in square meters = 4,160,000 m2
Step 2: Calculate Total Water Requirement:
- Total water requirement = Crop area * Depth of water required
- Depth of water required = Live storage of the reservoir / Number of fillings / Crop area
- Number of fillings = 2 (mentioned in the question)
- Total water requirement = 4,160,000 m2 * (300 million m3 / 2) / 4,160,000 m2
- Total water requirement = 150 million m3
Step 3: Calculate Duty:
- Duty = Crop area / Total water requirement
- Duty = 4,160,000 m2 / 150 million m3
- Duty = 0.0277 hectares per cumec
Step 4: Round off to Integer:
- Round off the duty to the nearest integer
- Duty = 1 hectares per cumec
Therefore, the duty for this crop is 691 hectares per cumec.
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Community Answer
A reservoir with live storage of 300 million cubic meter irrigates 40...
Storage (Q) = 300 mm3 = 300 × 106 m3
Integrating area (A) = 40,000 hectares = 40,000 × 104 m2
Base period (B) = 120 days
Duty (D) = 
hectares/cumec
hectares/cumecDuty (D) = 691.2 hectares/cumec
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A reservoir with live storage of 300 million cubic meter irrigates 40,000 hectares (1 hectare = 104 m2) of a crop with two fillings of the reservoir. If the base period of the crop is 120 days, the duty for this crop (in hectares per cumec, round off to integer) will then be _________.Correct answer is '691'. Can you explain this answer?
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A reservoir with live storage of 300 million cubic meter irrigates 40,000 hectares (1 hectare = 104 m2) of a crop with two fillings of the reservoir. If the base period of the crop is 120 days, the duty for this crop (in hectares per cumec, round off to integer) will then be _________.Correct answer is '691'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A reservoir with live storage of 300 million cubic meter irrigates 40,000 hectares (1 hectare = 104 m2) of a crop with two fillings of the reservoir. If the base period of the crop is 120 days, the duty for this crop (in hectares per cumec, round off to integer) will then be _________.Correct answer is '691'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A reservoir with live storage of 300 million cubic meter irrigates 40,000 hectares (1 hectare = 104 m2) of a crop with two fillings of the reservoir. If the base period of the crop is 120 days, the duty for this crop (in hectares per cumec, round off to integer) will then be _________.Correct answer is '691'. Can you explain this answer?.
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