2834)The primary aim of irrigation scheduling is:
Anonymous Quiz
7%
To increase the crop water requirement
88%
To apply the right amount of water at the right time
5%
To reduce water usage
0%
To prevent water runoff
2835)When should irrigation be applied for most crops according to the soil moisture content?
Anonymous Quiz
74%
When the soil moisture is below field capacity
7%
At the end of the growing season
14%
At any time during the crop’s growth
5%
After heavy rainfall
2836)The best time to irrigate crops is when the soil moisture is:
Anonymous Quiz
19%
Below wilting point
25%
Above field capacity
33%
At field capacity
23%
Near the wilting point
2837)A major disadvantage of poor irrigation scheduling is:
Anonymous Quiz
60%
Reduced crop yield
33%
Increased water retention
6%
Increased water storage
2%
Higher water efficiency
2838)Which of the following approaches is used for irrigation scheduling based on soil moisture tension?
Anonymous Quiz
52%
Soil moisture depletion approach
30%
Climatological approach
12%
Plant-based approach
6%
Water meter approach
2839)Which tool is most commonly used to measure soil moisture content in irrigation scheduling?
Anonymous Quiz
20%
Gypsum block
64%
Tensiometer
3%
Water meter
12%
Soil moisture probe
2840)What is the main advantage of using volumetric methods to measure irrigation water flow?
Anonymous Quiz
5%
Low cost
39%
High accuracy
13%
Easy to install
43%
Requires no specialized equipment
2841)Which of the following is used to measure the water flow in a channel by floating an object?
Anonymous Quiz
5%
Water meter
43%
Parshall flume
52%
Float method
0%
Tensiometer
2842)Water meters are primarily used for:
Anonymous Quiz
5%
Measuring soil moisture content
92%
Measuring water flow in pipes or channels
2%
Measuring evaporation rates
2%
Measuring crop water uptake
2843)A "Parshall flume" is used for:
Anonymous Quiz
11%
Measuring water pressure in pipes
83%
Measuring water flow in open channels
4%
Measuring soil moisture content
1%
Calculating evaporation rates
2844)Which device is most commonly used to measure small and medium water flow rates in open channels?
Anonymous Quiz
28%
Orifice
15%
Water meter
55%
Parshall flume
3%
Float method
2845)What is the main advantage of the "Tracer method" in measuring water flow?
Anonymous Quiz
17%
It is highly accurate
69%
It can be applied to any water body
14%
It requires specialized equipment
0%
It is only used in large rivers
2846)What is a common disadvantage of using water meters in irrigation systems?
Anonymous Quiz
5%
They are expensive
76%
They are not accurate at low flow rates
14%
They require regular calibration
5%
They are not suitable for large areas
2847)The "float method" measures water flow by:
Anonymous Quiz
3%
Using a sensor to detect water levels
11%
Calculating evaporation rates
86%
Floating an object and measuring its velocity
0%
Estimating soil moisture content
2848)Which of the following is NOT a measuring device for irrigation water?
Anonymous Quiz
6%
Parshall flume
11%
Weir
22%
Venturi meter
61%
Tensiometer
2849)What does a "weir" do in irrigation systems?
Anonymous Quiz
53%
Measures the flow in a river or stream
32%
Measures the water content of soil
9%
Measures the rate of evaporation
6%
Calculates the volume of applied water
2850)Which of the following is most suitable for lowland rice cultivation?
Anonymous Quiz
12%
Check basin
82%
Flooding
6%
Furrow method
0%
Drip irrigation
2851)What is the primary disadvantage of flooding as an irrigation method?
Anonymous Quiz
0%
High labour costs
47%
Uneven water distribution
44%
Low water application efficiency
9%
Difficult to manage large stream
2852)In which irrigation method are small plots surrounded by bunds, and water is applied to one basin after another?
Anonymous Quiz
76%
Check basin
15%
Flooding
9%
Ring basin
0%
Border strip
2853)What is the main advantage of using the check basin method in irrigation?
Anonymous Quiz
24%
Suitable for small fields only
24%
Requires minimal labour
35%
Uniform water application
18%
Water is applied to larger areas
