Irrigation Engineering Mock Test 10

10%

Question 1 of 10

1. Sharp bends must be avoided in penstocks while designing components of the hydroelectric scheme.

True

False

Question 1 of 10

Question 2 of 10

2. Calculate peak discharge for a combined catchment of a tank forming a constituent unit of a group with the following given data –

Combined catchment 			     = 26 sq. km
Intercepted catchment 			     = 20 sq. km
Ryve’s coefficient for combined catchment    = 9.0
Ryve’s coefficient intercepted 		     = 1.8

59 cumecs

69 cumecs

66 cumecs

50 cumecs

Question 2 of 10

Question 3 of 10

3. The ratio of maximum power utilised to the maximum power available is _____________

power factor

capacity factor

reserve capacity

plant use factor

Question 3 of 10

Question 4 of 10

4. The usual difference between F.T.L and M.T.L is rarely allowed to exceed _____________

0.5 m

0.9 m

0.3 m

0.6 m

Question 4 of 10

Question 5 of 10

5. Ships or steamers can pay to carry cargo in Indian waterways extending to about ____________________

2500 km

10,000 km

500 km

40,000 km

Question 5 of 10

Question 6 of 10

6. The buttresses of a free deck buttress dam are provided at ‘x’ m clear spacing and buttress thickness is proposed to be ‘t’ m. The buttress section can then be designed like the section of a concrete gravity dam by considering the effective unit weight of water = Surcharge factor (S) x actual unit weight of water. The value of this surcharge factor is given as _____________

S = (x + t)/(t + 1)

S = (x + t)/t

S = (x + t)/(x + 1)

S = (x + t)/x

Question 6 of 10

Question 7 of 10

7. Identify the correct statement in regard to hydropower.

The hydro generators give high efficiency over a wide range of load

In a hydropower scheme, the firm power is usually high as compared to tidal power

Hydropower stations are generally labour-oriented

The gestation period for hydro-power plant is usually small

Question 7 of 10

Question 8 of 10

8. The most adopted earthen section for tank bunds is of the type ___________________

zoned embankment type

diaphragm type

homogeneous embankment type

both diaphragm and zoned type embankment

Question 8 of 10

Question 9 of 10

9. A special flexible joint called simplex joint is generally used to join _______________

galvanised iron pipes

hume steel conduits

asbestos conduits

vitrified clay conduits

Question 9 of 10

Question 10 of 10

10. In an arch dam, the extrados curve refer to the arch rings corresponding to the ____________________

side face of the dam

downstream face of the dam

the upstream face of the dam

either upstream or downstream face of the dam

Question 10 of 10