MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the approximate percentage of light reinforcement that is provided in the top of the reinforced concrete slabs at the base? |
| A. | 0.50% of the concrete area |
| B. | 0.45% of the concrete area |
| C. | 0.30% of the concrete area |
| D. | 0.25% of the concrete area |
| Answer» E. | |
| 2. |
The minimum slope of the chute is governed by the condition that _____________ |
| A. | the subcritical flow must be maintained |
| B. | the supercritical flow must be maintained |
| C. | a critical flow must be maintained |
| D. | maybe supercritical or subcritical flow is possible |
| Answer» C. a critical flow must be maintained | |
| 3. |
Calculate the freeboard for the top levels of the side walls if the mean velocity of water in the chute reach is 3.5 m/s and the mean depth of water in the chute reach under consideration is 4.7 m. |
| A. | 0.60 m |
| B. | 1 m |
| C. | 0.85 m |
| D. | 0.55 m |
| Answer» D. 0.55 m | |
| 4. |
Which of the following curve is provided when the slope of the chute changes from milder to steeper? |
| A. | Concave vertical curve |
| B. | Hyperbolic curve |
| C. | Convex vertical curve |
| D. | Straight plan |
| Answer» D. Straight plan | |
| 5. |
The type of spillway which is provided on narrow valleys where no side flanks are available is ____________________ |
| A. | ogee spillway |
| B. | chute spillway |
| C. | side-channel spillway |
| D. | straight drop spillway |
| Answer» D. straight drop spillway | |
| 6. |
The portion of a chute spillway which is known as its control structure is ________________ |
| A. | low ogee weir |
| B. | chute channel |
| C. | approach channel leading the water from the reservoir to the ogee weir |
| D. | silting basin at its bottom |
| Answer» B. chute channel | |
| 7. |
The spillway which may sometimes be called as a waste weir is ______________________ |
| A. | an ogee spillway |
| B. | a trough spillway |
| C. | a shaft spillway |
| D. | a siphon spillway |
| Answer» C. a shaft spillway | |
| 8. |
The side slope of approach channel of chute spillway is ___________________ |
| A. | 1:1 |
| B. | 1:1 ( frac{1}{2} ) |
| C. | 1:3 |
| D. | 1:2.5 |
| Answer» B. 1:1 ( frac{1}{2} ) | |
| 9. |
Whenever the slope of chute changes from steeper to milder ____________________ curve shall be provided. |
| A. | a concave vertical curve |
| B. | a convex vertical curve |
| C. | a hyperbolic curve |
| D. | a parabolic curve |
| Answer» B. a convex vertical curve | |
| 10. |
The surplus reservoir water after spilling over the crest of the spillway flows on the chute is __________________ |
| A. | parallel to the crest in a trough spillway |
| B. | parallel to the crest in a side-channel spillway |
| C. | perpendicular to the crest in a side-channel spillway |
| D. | obliquely to the crest in a chute spillway |
| Answer» C. perpendicular to the crest in a side-channel spillway | |
| 11. |
The famous Bhakra dam of India is provided with ________________ |
| A. | trough spillway |
| B. | ogee spillway |
| C. | shaft spillway |
| D. | siphon spillway |
| Answer» B. ogee spillway | |
| 12. |
The spillway which can be adopted with ease on gravity as well as earthen dams is _________________ |
| A. | ogee spillway |
| B. | chute spillway |
| C. | both ogee and chute spillway |
| D. | straight drop spillway |
| Answer» C. both ogee and chute spillway | |
| 13. |
If the spillway is constructed in continuation to the dam at one end, it may be called as ________ |
| A. | saddle weir |
| B. | flank weir |
| C. | waste weir |
| D. | temporary weir |
| Answer» C. waste weir | |
| 14. |
Which of the following is the simplest type of spillway which can be provided independently and at low costs? |
| A. | Ogee spillway |
| B. | Trough spillway |
| C. | Siphon spillway |
| D. | Saddle spillway |
| Answer» C. Siphon spillway | |