During which condition of the vehicle does NOx emission in SI engine will be lowest?
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Automobile Engineering · all questionsAir Pollution and its Control in Automobile
Air Pollution and its Control in Automobile
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The path taken by the intake air is
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When water emulsion is used as the fuel in SI engine the emission of nitrogen oxides reduces significantly, this is due to
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When a fuel tank becomes cold such that a vacuum is created inside it then the fuel vapour held in the EVAP control canister
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The condition that is required for simultaneous treatment of CO, HC and NOx in a three way catalytic is
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Which of the following exhaust gas component is reduced significantly by retardation of the ignition timing?
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What is the purpose of selective catalytic reduction (SCR)?
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Purging of the charcoal canister occurs when
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Cyanuric acid is a . . . . . . . . solid material that sublimes in the exhaust flow.
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Which of the following are the separable methods used in exhaust gas measurement?
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Engine emits white smoke due to
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Which of the following cannot be reduced by thermal converters?
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Ozone is harmful to plants and trees and causes very heavy crop losses each year.
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Diatomic oxygen is highly reactive and initiates a number of different reactions.
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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?
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The correct function of EGR system is
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. . . . . . . . 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.
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Which one of the following toxic components of exhaust gas is stripped of oxygen in three-way catalytic converter?
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In a turbocharger, the exhaust gases from the cylinder.
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Which of the following problem is caused by the clogged air cleaner element?
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