This set of Engineering Geology Multiple Choice Questions & Answers (MCQs) focuses on “Reservoirs and Their Types”.
1. Artificially created water storage basins with storage capacity that may range from a few thousand cubic meters to thousands of millions cubic meters are called __________
a) Lakes
b) Ponds
c) Pools
d) Reservoirs
View Answer
Explanation: Reservoirs may broadly be defined as artificially created water storage basins with storage capacity that may range from a few thousand cubic meters to thousands of millions cubic meters.
2. Depending on the purpose of storage, reservoirs are classified into how many types?
a) 2
b) 4
c) 3
d) 5
View Answer
Explanation: Depending on the purpose of storage, reservoirs are classified into three main categories: Storage and conservation reservoirs; Flood control reservoirs; Distribution reservoirs.
3. Which reservoirs are used to feed the canal systems for irrigation and power generation?
a) Storage and conservation reservoirs
b) Flood control reservoirs
c) Distribution reservoirs
d) Drought control reservoirs
View Answer
Explanation: Storage and conservation reservoirs, are the ones where river water is stored by creating barriers or dams in its path and is then released from gated or ungated outlets. These feed the canal systems for irrigation and power generation.
4. The reservoirs for small storage and short period of time are __________
a) Storage and conservation reservoirs
b) Flood control reservoirs
c) Distribution reservoirs
d) Drought control reservoirs
View Answer
Explanation: Distribution reservoirs are actually small storage reservoirs that hold water supplies in a water supply system for short spells of time.
5. Reservoirs involving large sluice gates are __________
a) Storage and conservation reservoirs
b) Flood control reservoirs
c) Distribution reservoirs
d) Drought control reservoirs
View Answer
Explanation: Flood control reservoirs are provided with large sluice ways to discharge the inflow received by the reservoir during a flood up to a volume that could be safely accommodated in the channel downstream.
6. The level up to which the reservoir shall be full of water is called __________
a) High level
b) Maximum level
c) Pool level
d) Surface level
View Answer
Explanation: Pool level, indicated the designed level up to which the reservoir shall be ‘full of water’ at a particular point of time. There is, thus, the maximum pool level, the minimum pool level and the normal pool level.
7. The measure of the volume of water that can be drawn from a given reservoir in a certain interval of time is called __________
a) Surface yield
b) Drawable yield
c) Reservoir yield
d) Pool yield
View Answer
Explanation: Reservoir yield is a measure for the volume of water that can be drawn from a given reservoir in a certain interval of time and is also expressed in terms of safe or guarantee yield, secondary yield and design yield etc.
8. Volume of water in cubic meters available between minimum pool level and normal pool level is __________
a) Useful storage
b) Dead storage
c) Surcharge storage
d) Specific storage
View Answer
Explanation: Useful storage is defined as, volume of water in cubic meters available between minimum pool level and normal pool level.
9. What is the volume of water which is available between maximum reservoir level and normal pool level called?
a) Useful storage
b) Dead storage
c) Surcharge storage
d) Specific storage
View Answer
Explanation: Surcharge storage is defined as, the volume of water which is available between the maximum reservoir level and normal pool level.
10. Some amount of water can be stored beyond the maximum pool level.
a) True
b) False
View Answer
Explanation: No water can be stored beyond the maximum pool level and no water shall be available when the storage is below the minimum pool level.
Sanfoundry Global Education & Learning Series – Engineering Geology.
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