31. Engine emits white smoke due to
32. Which of the following cannot be reduced by thermal converters?
33. Ozone is harmful to plants and trees and causes very heavy crop losses each year.
34. Diatomic oxygen is highly reactive and initiates a number of different reactions.
35. In Diesel engines, the control of black smoke in the exhaust can be achieved by:
1. Running the engine at lower load.
2. Maintaining the injection system perfect.
3. Using Diesel fuel of higher Cetane number.
Which of the above statements are correct?
1. Running the engine at lower load.
2. Maintaining the injection system perfect.
3. Using Diesel fuel of higher Cetane number.
Which of the above statements are correct?
36. The correct function of EGR system is
37. . . . . . . . . is collected during engine startup time when the catalytic converter is cold, and then later released back into the exhaust flow when the converter is hot.
38. Which one of the following toxic components of exhaust gas is stripped of oxygen in three-way catalytic converter?
39. In a turbocharger, the exhaust gases from the cylinder.
40. Which of the following problem is caused by the clogged air cleaner element?
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