Geography
Assertion (A): Hydel power is the cheapest form of renewable energy.
Reason (R): Once the project is operational it does not produce waste or green house gases.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.
Conventional Energy Sources
9 Likes
Answer
Both A and R are true but R does not explain A.
Explanation — After the initial cost of building dams, which is quite high, they operate on low running costs and provide long-term benefits making them the most economical renewable energy source. So, Assertion (A) is true. Reason (R) talks about Hydel plants not producing waste or green house gases which is also true. However, Reason (R) does not explain Assertion (A).
Answered By
6 Likes
Related Questions
…………… is the oldest coalfield in India.
- Raniganj
- Jharia
- Korba
- Singrauli
Gondwana coal has variable quantities of …………… .
- Low moisture
- Small sulphur
- Small variable quantity of phosphorus
- All of them
The Neyveli Lignite coal field in …………… is the largest lignite deposit field in South India.
- Andhra Pradesh
- Telangana
- Puducherry
- Tamil Nadu
The liquid petroleum is called …………… .
- Crude oil
- Liquid oil
- Natural gas
- Natural oil