2747)How is the velocity of water calculated using the float method?
Anonymous Quiz
15%
By dividing the float distance by time taken
76%
By multiplying the flow rate by the cross-sectional area
3%
By measuring the water temperature
6%
By calculating the discharge rate using a stopwatch
2748)What is "water requirement" (WR) in the context of irrigation?
Anonymous Quiz
9%
The amount of water available in the soil for plant use
91%
The total amount of water needed by a crop during its growing period
0%
The depth of water applied to the soil
0%
The water lost through evaporation and runoff
2749)What is the primary goal of scheduling irrigation based on soil moisture depletion?
Anonymous Quiz
0%
NONE
92%
To maximize water usage and crop growth
0%
To reduce irrigation costs
8%
To conserve water and increase crop yield
2750)What does "runoff" refer to in irrigation?
Anonymous Quiz
23%
Water that moves vertically through the soil
15%
Water that is lost through evaporation
63%
Water that flows off the field after saturation
0%
Water that infiltrates the soil
2751)Which of the following methods is used to measure soil moisture content?
Anonymous Quiz
10%
Gypsum block
12%
Water meter
0%
Tensiometer
78%
Both A and C
2752)In which type of irrigation scheduling method is the Cumulative Pan Evaporation (CPE) ratio used?
Anonymous Quiz
32%
Soil moisture depletion method
61%
Climatological approach
3%
Plant approach
5%
Volumetric method
2753)What does the term "irrigation efficiency" mean in agricultural irrigation?
Anonymous Quiz
3%
The percentage of water lost during irrigation
98%
The proportion of water used by plants out of total water applied
0%
The amount of water used in drainage
0%
The speed at which water is applied
2754)What is the purpose of using a tensiometer in irrigation scheduling?
Anonymous Quiz
5%
To measure the rate of evaporation
76%
To estimate the soil moisture tension
19%
To calculate the depth of irrigation required
0%
To measure water flow in channels
2755)Which of the following is a disadvantage of using the climatological approach to irrigation scheduling?
Anonymous Quiz
11%
It is difficult to use in varying climates
68%
It depends on accurate evaporation measurements
14%
It requires expensive equipment
7%
It cannot be used in the field
2756)How does "palco" irrigation help crops?
Anonymous Quiz
4%
It provides water during drought periods
85%
It aids in seed germination and seedling establishment before sowing
5%
It supports the plant after sowing
5%
It is used for the final irrigation before harvest
🔥1
2757)What is the most common type of weir used in irrigation systems?
Anonymous Quiz
22%
Triangular weir
49%
Trapezoidal weir
21%
Broad-crested weir
8%
Rectangular weir
2758)What is a disadvantage of using the float method for measuring water velocity?
Anonymous Quiz
6%
It requires large equipment
54%
It is difficult to calculate cross-sectional area
31%
It may not be accurate for all types of streams
9%
It is unsuitable for high-speed water flows
2759)How is the rate of water flow typically measured in a water meter?
Anonymous Quiz
13%
By calculating the depth of the water in a channel
75%
By the volume of water passing through the meter’s blades
13%
By measuring the time taken for water to fill a container
0%
By measuring the soil moisture content
2760)What is a key limitation of the "Tracer Method" for measuring water flow?
Anonymous Quiz
55%
It requires constant monitoring of velocity
18%
It is expensive and complex
21%
It can only be used for short periods
6%
It is not accurate for small streams
2761)In what situation is "Kor watering" most effective?
Anonymous Quiz
0%
During the final stages of crop growth
91%
As the first irrigation during a crop’s growing period
9%
When soil moisture is close to the wilting point
0%
After harvest to prepare the soil for the next crop
2762)What is the typical water depth required for irrigation in crops like wheat, rice, and maize?
Anonymous Quiz
24%
10-15 cm
55%
15-25 cm
21%
25-30 cm
0%
30-40 cm
2763)Which type of irrigation method is used when water is applied at a fixed amount based on cumulative pan evaporation (CPE)?
Anonymous Quiz
44%
Soil moisture depletion method
50%
Climatological approach
0%
Plant approach
6%
Volumetric method
2764)How does the water requirement (WR) formula for irrigation help in determining the irrigation schedule?
Anonymous Quiz
74%
By predicting the total water needed for crops during the season
26%
By calculating the soil moisture at field capacity
0%
By determining the effective rainfall
0%
By estimating the irrigation depth required
2765)What is a characteristic of "leaching" in irrigation?
Anonymous Quiz
0%
It prevents waterlogging
97%
It moves salts and nutrients away from the crop root zone
3%
It increases the availability of water to plants
0%
It is a method of water conservation
2766)What is the role of "Gypsum blocks" in irrigation?
Anonymous Quiz
34%
To measure the rate of evaporation from the soil
59%
To estimate soil moisture content
6%
To calculate water requirement for irrigation
0%
To measure water flow in irrigation channels