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.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

The Neyveli Lignite coal field in …………… is the largest lignite deposit field in South India.

1. Andhra Pradesh
2. Telangana
3. Puducherry
4. Tamil Nadu

Light distillates : gasoline :: middle distillates : ……………

1. diesel
2. Lubricating oils
3. naphtha
4. LPG

Petroleum is used :

1. as a fuel
2. as raw material
3. for power generation
4. All of the above