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The delta for a crop having a base of period 120 days is 70 cm. What is the duty ?
- a)2480 hectare/cumec
- b)1481 hectare/cumec
- c)148 hectare/cumec
- d)1.481 hectare/cumec
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The delta for a crop having a base of period 120 days is 70 cm. What i...
Delta and Base Period
Delta is the volume of water required to irrigate one hectare of land to the depth of one cm. Base period is the number of days required to deplete the available moisture in the root zone to the permissible limit.
Calculation
Given, delta = 70 cm and base period = 120 days
The duty can be calculated using the following formula:
Duty = (Base period * 24 * 60 * 60 * 10000) / (Delta * 1000)
Putting the given values in the formula, we get:
Duty = (120 * 24 * 60 * 60 * 10000) / (70 * 1000) = 1481 hectare/cumec
Therefore, the duty for the given crop is 1481 hectare/cumec, which is option B.
Delta is the volume of water required to irrigate one hectare of land to the depth of one cm. Base period is the number of days required to deplete the available moisture in the root zone to the permissible limit.
Calculation
Given, delta = 70 cm and base period = 120 days
The duty can be calculated using the following formula:
Duty = (Base period * 24 * 60 * 60 * 10000) / (Delta * 1000)
Putting the given values in the formula, we get:
Duty = (120 * 24 * 60 * 60 * 10000) / (70 * 1000) = 1481 hectare/cumec
Therefore, the duty for the given crop is 1481 hectare/cumec, which is option B.
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Community Answer
The delta for a crop having a base of period 120 days is 70 cm. What i...
The formula for
Delta=8.64×B(days)/Duty
Given data:
Delta=70cm=0.7m
Days=120
Then put the value in the formula
0.7=8.64×120/Duty
Duty=8.64×120/0.7
Duty=1481.14 hectare/cumec
Delta=8.64×B(days)/Duty
Given data:
Delta=70cm=0.7m
Days=120
Then put the value in the formula
0.7=8.64×120/Duty
Duty=8.64×120/0.7
Duty=1481.14 hectare/cumec
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The delta for a crop having a base of period 120 days is 70 cm. What is the duty ?a)2480 hectare/cumecb)1481 hectare/cumecc)148 hectare/cumecd)1.481 hectare/cumecCorrect answer is option 'B'. Can you explain this answer?
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