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

Countries are phasing out fossil-fuel based energy sources because

1. they contribute to increase in green house gases.
2. they are non-renewable
3. they are expensive
4. All of the above.

You see this sticker (given on the right) on the front windshield of a car. What does it mean?

1. The car is a commercial vehicle.
2. The car uses Compressed Natural Gas as fuel.
3. The car is not fuel efficient.
4. The car uses Cooled Nitrogen Gas as fuel.