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Air Pollution and its Control in Automobile MCQ Questions & Answers | Automobile Engineering

Learn and Practice Air Pollution and its Control in Automobile MCQ Questions & Answers are Available for Automobile Engineering Students to Clear GATE Exams, Technical Interviews, Competitive Examinations, and Other Entrance Exams. The Air Pollution and its Control in Automobile Chapter is Especially Important for Automobile Engineering and GATE Students. Page-8 section-1

Each section contains 100 MCQs on Air Pollution and its Control in Automobile .
71
Which of the following is one of the major exhaust emissions from CI engines compared to SI engines?
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Answer & Solution
Answer: Option B
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72
The hydrocarbons appear due to flame quenching near the metallic walls.
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Answer: Option B
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73
The amount of flow in EGR, can be as high as . . . . . . . . of the total intake.
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Answer: Option B
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74
Which of the hydro carbon emission released after the combustion of the engine?
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Answer & Solution
Answer: Option D
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75
Oxides of nitrogen in the engines exhaust can be reduced by the following methods:
1. Decrease in compression ratio
2. Exhaust gas recirculation
3. Use of 5% lean mixture
4. Use of oxidation catalysts in exhaust manifold.
The correct methods are
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Answer & Solution
Answer: Option A
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76
Which one is a non pollution gas?
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Answer: Option D
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77
The intake air-fuel mixture is used to push exhaust residual out of the open exhaust port called scavenging.
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Answer: Option A
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78
Oxides of nitrogen can be controlled by
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Answer: Option D
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79
Which of the following is used as antiknock compound in gasoline?
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Answer: Option B
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80
In spark ignition petrol engines maximum emission of Nox takes place when the air fuel ratio (A/F) is
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Answer: Option C
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