MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Which of the following guideline is incorrect for the selection of a suitable site for a reservoir? |
| A. | The geological formation should be such that it entails minimum leakage |
| B. | The cost of the dam is a controlling factor |
| C. | Too much silt-laden tributaries should be avoided as far as possible |
| D. | The reservoir basin should have a shallow wide opening in the valley |
| Answer» E. | |
| 2. |
Which of the following measure does not prevent or reduce the intensity of the earthquake? |
| A. | Filling the reservoir up to a limited safe level |
| B. | Draining out water from weaker adjoining rocks |
| C. | Active exploration of the dam site for the absence of inactive faults before selecting the same |
| D. | Increasing the pore pressure |
| Answer» E. | |
| 3. |
Which of the following dam is situated in the seismologically inactive zone in Peninsular India? |
| A. | Koyna dam |
| B. | Hirakud dam |
| C. | Tehri dam |
| D. | Idukki dam |
| Answer» B. Hirakud dam | |
| 4. |
Which of the following is not used as WERs? |
| A. | Hexa decanol |
| B. | Octa decanol |
| C. | Docosanol |
| D. | Cyclohexanol |
| Answer» E. | |
| 5. |
Windbreakers, Integrated operation of reservoirs and Use of underground storage are all methods of ______________________ |
| A. | evaporation control |
| B. | estimation of absorption losses |
| C. | estimation of absorption losses |
| D. | estimation of reservoir leakage |
| Answer» B. estimation of absorption losses | |
| 6. |
According to the Central Water Commission, the average annual evaporation loss is estimated to be _____________ |
| A. | 100 cm |
| B. | 125 cm |
| C. | 225 cm |
| D. | 250 cm |
| Answer» D. 250 cm | |
| 7. |
If 20% of the reservoir capacity is earmarked for dead storage in a storage reservoir of 30 M.cum and the average annual silt deposition in the reservoir is 0.1 M cum, then the useful life of the reservoir will start reducing after ____________ |
| A. | 60 years |
| B. | 120 years |
| C. | 240 years |
| D. | 300 years |
| Answer» B. 120 years | |
| 8. |
The economical height of a dam is that height for which the ____________________ |
| A. | cost per unit of storage is minimum |
| B. | benefit-cost ratio is maximum |
| C. | net benefits are maximum |
| D. | benefit-cost ratio is minimum |
| Answer» B. benefit-cost ratio is maximum | |
| 9. |
As the height of a proposed dam is increased, the cost per unit of storage initially increases and then decreases. |
| A. | True |
| B. | False |
| Answer» C. | |