Air Pollution and its Control in Automobile MCQ Questions & Answers

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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-10 section-1

Each section contains 100 MCQs on Air Pollution and its Control in Automobile .

The function of charcoal in a canister is to absorb

A) Water vapour B) Carbon monoxide C) Petrol vapour D) Liquid petrol

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Exhaust gas recirculation has the disadvantage of

A) Decreasing thermal efficiency B) Increasing HC emission C) Both A and B D) Increasing aldehydes

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The environmentally harmful blow-by gas is also harmful to the engine, because

A) It causes the exhaust ports to become clogged, and exhaust efficiency is reduced B) It reacts with engine oil to form sludge, which causes engine components to wear rapidly C) It causes the intake ports to become clogged, and intake efficiency is reduced D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The positive crankcase ventilation valve is located between the

A) Intake manifold and air cleaner B) Air cleaner and the carburettor C) Intake manifold and crankcase D) Carburettor and the intake manifold

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Unburned hydrocarbons from propane are easier to oxidize in oxidation catalysis than methane, which result in:

A) Low nitrogen oxide emission B) High carbon monoxide emission C) Low unburned hydrocarbon emissions D) High carbon dioxide emissions

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Catalytic converter trouble is indicated by

A) High CO and HC levels in the exhaust B) A rotten egg smell C) High engine noise level D) Low H₂O level in the exhaust gas

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is the use of catalytic converters?

A) Control the noise B) Control the emission C) Control the temperature D) Control the fuel consumption

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In a three-way catalytic converter, the first converter controls:

A) HC B) CO C) NO_x D) All the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

A catalytic converter has to be at least how hot before it starts working?

A) 500°F (260°C) B) 1000°F (540°C) C) 1500°F (815°C) D) 2000°F (1100°C)

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

100

What does the evaporation emission control eliminate?

A) CO B) CO₂ C) HC D) NO_x

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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