Question: The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called________________?

• 1. effective rainfall
• 2. consumptive use
• 3. consumptive irrigation requirement
• 4. net irrigation requirement

Question: The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as__________________?

• 1. water conveyance efficiency
• 2. water application efficiency
• 3. water use efficiency
• 4. none of the above

Question: Which of the following methods of applying water may be used on rolling land ?

• 1. boarder flooding
• 2. check flooding
• 3. furrow flooding
• 4. free flooding

Question: Optimum depth of kor watering for rice is______________?

• 1. 135 mm
• 2. 165 mm
• 3. 190 mm
• 4. 215 mm

Question: The kor depth for rice is 190 mm and kor period is 14 days. The outlet factor for this will be_________________?

• 1. 637 hectares/m3/sec
• 2. 837 hectares/m3/sec
• 3. 972 hectares/m3/sec
• 4. 1172 hectares/m3/sec

Question: Select the incorrect statement ?

• 1. Intensive irrigation should be avoided in areas susceptible to water logging
• 2. Extensive irrigation should be adopted in areas susceptible to water logging
• 3. Lift irrigation increases water logging
• 4. all of the above

Question: Select the correct statement?

• 1. A meander increases the river length but a cut off reduces the river length
• 2. A cutoff increases the river length but a meander reduces the river length
• 3. Both meander and cutoff increase the river length
• 4. Both meander and cutoff decrease the river length

Question: When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as________________?

• 1. beam
• 2. depth
• 3. freeboard
• 4. draft

Question: The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be___________________?

• 1. L
• 2. 1.5 L
• 3. 2.0 L
• 4. 4.0 L

Question: At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be_______________?

• 1. 2.073 m
• 2. 8.169 m
• 3. 9.144 m
• 4. 6.8 m