Water resources engineering CE5I

 Program Name : Diploma in Civil Engineering

Program Code : CE

Semester : Fifth

Course Title : Water Resource Engineering

Course Code : 22501

Chapter 4. Minor and Micro Irrigation.

1. What is the main aim of Bandhara

a) To allow easy flow of water

b) To Store water

c) To Raise water level in stream

d) None

Answer: c)

2. Where is Bandhara usually built

a) Near a Dam

b) Across a nalla

c) On the banks of a river

d) On wide

river

Answer: b)

3. The Discharge flow over Bandhara is given by

a) Q = 1.7*l*H^3/2

b) Q = l*H^3/2

c) Q = 1.7*l*H^5/2

d) Q = 1.7*l*H*3/2

Answer: a)

4. Which of the following statement is true about bandhara irrigation?

a) The system of irrigation is expensive

b) It yields a high duty and intensive irrigation

c) Seepage and evaporation losses are more

d) The utilization of water is inefficient

Answer: b)

5. Irrigation from wells is what type of irrigation system?

a) Lift Irrigation

b) Tank Irrigation

c) Direct Irrigation

d) Flow

Irrigation

Answer: a)

6. What type of irrigation method is also called as trickle irrigation?

a) Sprinkler Irrigation Method

b) Furrow Irrigation Method

c) Drip Irrigation Method

d) Check Flooding

Answer: c)

7. What unit conveys water from source and provides pressure for delivery into pipe

system in Drill Irrigation?

a) Emitters

b) Laterals

c) Mainline

d) Pump unit

Answer: d)

8. Why is Sprinkler irrigation advantageous over canal irrigation?

a) The Irrigation is better controlled

b) Small Streams of irrigation water can be used efficiently

c) Uniform application of water is possible

d) All

Answer: d)

9. Micro-irrigation is also called:

a) Nano-irrigation

b) Localized irrigation

c) Flood irrigation

d) Petite irrigation

Answer: b)

10. What information is needed for designing a drip irrigation system?

a) Acidity of water

b) Color of water

c) Topographic conditions

d) Structure of field

Answer: c)


11. What is the main aim of Jalyukt Shivar Yojana

(JSY)?

a) To Provide compensation for Earthquake related losses

b) To provide relief to the farmers of draughts affected areas.

c) To Provide compensation for Cyclone affected farmers.

d) None

Answer: b)

12. When was JSY Launched?

a) 2010

b) 2012

c) 2000

d) 2015

 Answer: d)

13. In Drip irrigation, spacing between two

consecutive nozzles is governed by?

a) Type of soil

b) Growth stage of crops

c) Both a) and b)

d) Atmospheric conditions

Answer: c)

14. Which crops don’t respond favorably to Sprinkler irrigation?

a) Tobacco

b) Sugarcane

c) Maize

d) Rice

Answer: d)

15. In this methods, deep basins are formed for each plant.

a) Basin Irrigation

b) Sprinkler irrigation

c) Drip Irrigation

d) None

Answer: a)

16. Percolation Tanks are necessary to raise water table of wells in command area to

develop_______

 a) Good soil condition

 b) Lift Irrigation

 c) Drip Irrigation

 d) None of these

Answer: b)

17. The Top Width of Solid bandhara is usually kept

a) 10 m

b) 1 m

c) 4 m

d) 20 m

Answers: c)

18. During Floods, which bandhara can control the flood water

a) Solid Bandhara

b) Temporary Bandhara

c) Seasonal Bandhara

d) Open

Bandhara

Answer: d)

19. Which type of irrigation totally depends electricity

a) Lift Irrigation

b) Canal Irrigation

c) Surface Irrigation

d) None

Answer: a)

 20. When Crops are planted in rows, which method is most suitable?

 a) Basin Irrigation

 b) Drip Irrigation

 c) Furrow Irrigation

 d) Sprinkler Irrigation

 Answer: c)

21. In Sprinkler Systems, how is Depth of irrigation is calculated?

a) On Basis of available moisture holding capacity of soil

 b) On Basis of available water

c) On Basis of force of water

d) all

Answer: a)

22. Determine the required capacity of sprinkler system to apply water at the rate of

1.25 cm/hr. Two 186 meters long sprinkler lines requiring sixteen sprinklers are

spaced at 12 meters intervals on each line. Spacing between lines is 18 meters.

a) 40 lit/sec

b) 35 lit/sec

c) 24 lit/sec

d) 12 lit/sec

Answer: c)

23. Why can’t Paddy Crops be cultivated with Drip Irrigation System?

 a) It requires pure water

b) It Requires special type of fertilizers

c) It Requires Standing water

d) None

Answer: c)

24. Sub-irrigation is used in areas with:

a) High water table

b) Flat terrain

c) Low water table

d) Sloping terrain

 Answer: a)

25. Irrigation canals are generally aligned along

a) straight line

b) valley line

c) contour

line

d) ridge line

Answer: d)

26. In Drip irrigation, the irrigation is done by using small diameter plastic lateral lines

called _____ at select spacings to deliver water to soil surface near base.

a) Pipes

b) emitters

c) Sprayers

d) Sprinklers

Answer: b)

27. Determine the system capacity for a sprinkler irrigation system to irrigate 16

hectares of maize crop. Design moisture use rate = 5mm per day, Moisture replaced

in soil at each irrigation = 6 cm, Irrigation efficiency = 70%, Irrigation period = 10

days in 12 days interval. System is operated for 20 hours per day.

a) 19 lit/sec

b) 23 lit/sec

c) 27 lit/sec

d) 50 lit/sec

 Answer: a)

28. Important components of bandhara irrigation are

a) Screen wall and outlet

b) flood banks

c) Canal on lining wall

d) All

Answer: d)

29. Where is Kolhapur Type Bandhara widely used?

a) In Kolhapur City

b) In Sugar Factory Areas

c) In Wheat mills

d) In Mumbai

 Answer: b)

30. Which of this statement is correct

a) Water Wastage in Lift Irrigation is more compared to Surface

Irrigation

b) Lift Irrigation needs select ground condition to be implemented

c) Lift Irrigation reduces chances of water logging

d) All the Statements

Answer: c)



                  NEXT

Post a Comment

0 Comments