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-6 section-1

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

The main function of an exhaust muffler is

A) Reduction of nitrogen oxides in the exhaust gases B) Reduction of exhaust gas volume C) Optimization of exhaust efficiency D) Reduction of exhaust noise

Discuss

Answer & Solution

Answer: Option D

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

Where the positive crank case ventilation fitted?

A) Muffler and air cleaner B) Controller and air cleaner C) Feed pump and air cleaner D) Engine breather and air cleaner

Discuss

Answer & Solution

Answer: Option D

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

What is the purpose of EGR (Exhaust gas recirculation) valve?

A) Reduce NO_x B) Reduce CO C) Reduce CO₂ D) Reduce SO₂

Discuss

Answer & Solution

Answer: Option A

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

The main purpose of an engine's air cleaner is that it

A) Prevents rainwater from entering the engine B) Prevents the dust and other foreign matter from entering the engine C) Controls the engine's air intake volume D) Reduce the engine's air intake noise

Discuss

Answer & Solution

Answer: Option B

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

Which is the source of pollutant gases with hydro carbon?

A) From fuel tank evaporation B) From carburetor evaporation C) From crank case blow by D) From exhaust system

Discuss

Answer & Solution

Answer: Option D

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

What can be reduced by using exhaust gas recirculation (EGR) effectively?

A) CO B) NO_x C) HC D) CO and HC

Discuss

Answer & Solution

Answer: Option B

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

What will happen if petrol is used in diesel engine?

A) Black smoke will be produced B) Low power will be produced C) Higher knocking will occur D) The engine will not run

Discuss

Answer & Solution

Answer: Option C

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

The primary condition that results in the emission of NOx is large quantities is

A) Low temperature combustion B) Incomplete combustion C) Combustion with a near stoichiometric air-fuel ratio D) High atmospheric temperature conditions

Discuss

Answer & Solution

Answer: Option C

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

The flow rate of EGR is not controlled by the Engine management system.

A) True B) False

Discuss

Answer & Solution

Answer: Option B

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

Which is harmful emission element produced by an internal combustion engine?

A) CO₂ + HC + H₂O B) H₂O + CO₂ + Nitrogen C) NO_x + CO₂ + Pm D) Pb + CO₂ + NO_x

Discuss

Answer & Solution

Answer: Option B

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