Irrigation Engineering Mock Test 6

1. Which of the following can be used as support for an effective joint sealing compound in floor and floor joints?

2. A baffle wall is a sort of weir constructed at the end of the cistern to:
i. To prevent any excess amount of discharge likely to pass through the module
ii. The baffle plates are inserted in the eddy chamber sloping from the outer wall towards the inner wall
iii. Head up the water to its upstream to such a height that hydraulic jump is formed
Which of the following statement is correct?

3. The selection of the CD works depends on?
i. Selecting canal alignment
ii. Position of water-table and availability of dewatering equipment
iii. Suitability of soil for embankment
iv. Availability of funds

4. The Lacey’s scour depth R given by equation R = 0.473 (Q/f)^1/3 is applicable when the river width is equal to ___________

5. The drainage water is sometimes allowed to join the canal water to augment canal supplies through a hydraulic structure is called as ________________

6. In which class of outlets the discharge is independent of water level of the water course?

7. Which of the following CD works carry drainage over the canal?

8. Calculate full supply discharge for a free pipe outlet for the following data.
Head on the upstream side above the centre line of pipe = 0.55 m
Coefficient of discharge = 0.62
The diameter of the pipe = 25 cm

9. What provides a permanent watertight seal during the whole range of joint movement?

10. In case of the sealing joint, the lower part of the joint is occupied by joint filler.