Q. With reference to flexible fuel vehicles (FFVs), consider the following statements
1.The cost of Flex Fuel Engines is more than conventional engines.
2.FFVs cannot run on unblended fuel.
Which of the statements given above is/are correct?
Answer: A
Notes:
Statement 1 is correct: Flex Fuel Engines cost more as ethanol has very different chemical properties than petrol. Ethanol has very low (40 per cent) Calorific value as compared to Gasoline, very High Latent heat of vaporization causing cooling of charge/combustion etc. Hence, the cost of Flex Fuel Engines is more than conventional engines.
Statement 2 is incorrect: FFVs allow vehicles to use all the blends and unblended fuels.
Source: The Business Line
