The component of air filter that prevents the passage of metal particles and sludge is
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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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A diesel engine has excessive black smoke when started in the morning. Which of these could be the cause?
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What is the purpose of EVAP canister?
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The NOx level in engine exhaust gas can be reduces by following method:
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The quantity of soot formed depends upon
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Which is used to absorb fuel vapor in the EVAP canister?
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Oxides of nitrogen in Petrol engine exhaust can be reduced by the following methods:
1. Use of 5% lean mixture
2. Advancing the spark timing
3. Recirculating a fraction of exhaust gas
4. Using an oxidation catalyst in the exhaust manifold
Which of the above statements is/are correct?
1. Use of 5% lean mixture
2. Advancing the spark timing
3. Recirculating a fraction of exhaust gas
4. Using an oxidation catalyst in the exhaust manifold
Which of the above statements is/are correct?
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Exhaust gas recycle is done by ducting some of the exhaust flow back into the intake system.
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. . . . . . . . are materials that absorb selected molecular compounds and catalyze chemical reactions.
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Which of the following causes the photochemical smog?
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The function of charcoal in a canister is to absorb
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Exhaust gas recirculation has the disadvantage of
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The environmentally harmful blow-by gas is also harmful to the engine, because
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The positive crankcase ventilation valve is located between the
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Unburned hydrocarbons from propane are easier to oxidize in oxidation catalysis than methane, which result in:
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Catalytic converter trouble is indicated by
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What is the use of catalytic converters?
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In a three-way catalytic converter, the first converter controls:
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A catalytic converter has to be at least how hot before it starts working?
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Q100
Open questionWhat does the evaporation emission control eliminate?
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