Irrigation Engineering Mock Test 9

10%

Question 1 of 10

1. Which of the following gate works on the principle of counterweights against the water pressure?

Dropping shutters

Drum gates

Stop logs and needles

Stoney roller gate

Question 1 of 10

Question 2 of 10

2. What is Bazin’s profile?

The profile obtained for the upper nappe of a free-falling jet

Crest profile

Profile for the lower nappe of a free-falling jet

Profile of both upper and lower nappe

Question 2 of 10

Question 3 of 10

3. The length of horizontal blanket should be equal to _________________

6 times the height of the dam

3 times the height of the dam

5 times the height of the dam

4 times the height of the dam

Question 3 of 10

Question 4 of 10

4. The discharge passing over an ogee spillway per unit length of its apex line is proportional ___________________

H^3/2

H²

H^1/2

Question 4 of 10

Question 5 of 10

5. River intakes is usually situated on ____________________

the concave side of the curve

the downstream side of a sewer outfall

straight reach

the convex side of the curve

Question 5 of 10

Question 6 of 10

6. Which head loss formula is also applicable to turbulent flow in pressure conduits?

Darch-Weisbach equation

Manning’s formula

Both Darch-Weisbach and Manning’s formula

Hazen-Williams formula

Question 6 of 10

Question 7 of 10

7. A shaft spillway is located _______________________

on the side flanks of the main dam

inside the downstream reservoir

inside the upstream reservoir

inside the body of a gravity dam

Question 7 of 10

Question 8 of 10

8. The spillway can be best built independently of the dam when there is _________________________

wide gorge with a gradual slope

wide valley with moderate slopes

deep narrow gorge with steep slopes

deep narrow gorge with gradual slopes

Question 8 of 10

Question 9 of 10

9. What is the approximate percentage of light reinforcement that is provided in the top of the reinforced concrete slabs at the base?

0.30% of the concrete area

0.25% of the concrete area

0.45% of the concrete area

0.50% of the concrete area

Question 9 of 10

Question 10 of 10

10. Projecting collars are provided on sides of a rectangular tunnel of length L made through an earthen dam to increase the seepage path. Their projection length (X) and numbers (N) are decided so as to provide increased seepage path equal to 2NX where 2NX should generally be ______________________

greater than L/3

greater than L/4

greater than L/2

greater than L

Question 10 of 10