EMISSION CONTROL SYSTEM - Practice Mode

1) Which is a colourless, odourless tasteless and high toxic gas?

CO CO<sub>2</sub> NO<sub>X</sub> SO<sub>X</sub>

Correct Answer: CO

2) What is acronym for DEF in selective catalytic reduction?

Diesel engine fluid Diesel exhaust fluid Diesel emission fluid Diesel engine fuse

Correct Answer: Diesel exhaust fluid

3) What is acronym for SCR in emission control system?

Silicon controlled rectifier Selective catalytic reduction Selective controlled rectifier Selective controlled reduction

Correct Answer: Selective catalytic reduction

4) What is the acronym for EGR in emission control system?

Engine gas recirculation Exhaust gas recirculation Exhaust gate regulator Emission gas recirculation

Correct Answer: Exhaust gas recirculation

5) Which one of the hydro carbon (HC) emited due to lack of oxygen?

From fuel tank From carburettor From blow by crank case From exhaust manifold

Correct Answer: From exhaust manifold

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