EMISSION CONTROL SYSTEM - Practice Mode

1) Which is the source of pollutant gases with hydro carbon?

From fuel tank evaporation From carburettor evaporation From crank case blow by From exhaust system

Correct Answer: From exhaust system

Explanation:

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2) Which is less harmful emission elements after convert by catalytic converter

Co<sub>2</sub> + Hc + H<sub>2</sub>O NOx + Co<sub>2</sub> + Pm H<sub>2</sub>0 + CO<sub>2</sub> + Nitrogen Pb + CO<sub>2</sub> + Nox

Correct Answer: H<sub>2</sub>0 + CO<sub>2</sub> + Nitrogen

3) Which is harm full emission element produced by an internal combustion engine?

Co<sub>2</sub> + Hc + H<sub>2</sub>O H<sub>2</sub>0 + CO<sub>2</sub> + Nitrogen CO + HC + NOx Pb + CO<sub>2</sub> + Nox

Correct Answer: CO + HC + NOx

4) Where the positive crank case ventilation fitted?

Muffler and air cleaner Controller and air cleaner Feed pump and air cleaner Engine breather and air cleaner

Correct Answer: Engine breather and air cleaner

5) What is the use of catalytic converters?

Control the noise Control the emission Control the temperature Control the fuel consumption

Correct Answer: Control the emission

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