Which one of the following statements about air pollution caused by diesel engines is correct ?
It produces large quantity of carbon monoxide at lower and high temperatures
It produces large quantity of nitrogen oxides at lower and high temperatures
It produces large quantity of carbon monoxide at lower temperature and nitrogen oxides at high temperature
It produces large quantity of nitrogen oxides at lower temperature and carbon monoxide at high temperature
Answer is Right!
Answer is Wrong!
This question was previously asked in
UPSC CAPF – 2017
Diesel engines produce more CO under conditions of incomplete combustion (often at lower temperatures) and more NOx under conditions of high temperature and pressure (often at high engine loads).