1) Which one of the following is an undesirable byproduct of combustion in IC engines that is caused due to high temperature conditions? O Unburnt hydrocarbons. O Soot O Carbon monoxide. O Oxides of nitrogen. 2) Which one of the following statements is true about emissions from Sl engines? O A rich fuel-air mixture decreases the tendency for more HC emissions ONOX emissions would be maximum at a slightly rich mixture. O NOx emissions decrease as the fuel-air mixture becomes either too rich or too lean OA lean fuel-air mixture increases the tendency for more CO emissions 3) Which one of the following is correct about HC emission? O t is reflective of complete combustion of fuel. OIt results due to improper mixing of fuel and air. OUnburnt HCs do not contribute to photochemical smog Ot decreases as the fuel-air mixture becomes too lean.
1) Which one of the following is an undesirable byproduct of combustion in IC engines that is caused due to high temperature conditions? O Unburnt hydrocarbons. O Soot O Carbon monoxide. O Oxides of nitrogen. 2) Which one of the following statements is true about emissions from Sl engines? O A rich fuel-air mixture decreases the tendency for more HC emissions ONOX emissions would be maximum at a slightly rich mixture. O NOx emissions decrease as the fuel-air mixture becomes either too rich or too lean OA lean fuel-air mixture increases the tendency for more CO emissions 3) Which one of the following is correct about HC emission? O t is reflective of complete combustion of fuel. OIt results due to improper mixing of fuel and air. OUnburnt HCs do not contribute to photochemical smog Ot decreases as the fuel-air mixture becomes too lean.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:1) Which one of the following is an undesirable byproduct of combustion in IC engines that is caused due to high temperature conditions?
O Unburnt hydrocarbons.
O Soot
O Carbon monoxide.
O Oxides of nitrogen.
2) Which one of the following statements is true about emissions from Sl engines?
OA rich fuel-air mixture decreases the tendency for more HC emissions
ONOX emissions would be maximum at a slightly rich mixture
O NOx emissions decrease as the fuel-air mixture becomes either too rich or too lean.
OA lean fuel-air mixture increases the tendency for more CO emissions
3) Which one of the following is correct about HC emission?
O t is reflective of complete combustion of fuel.
It results due to improper mixing of fuel and air
O Unburnt HCs do not contribute to photochemical smog.
O It decreases as the fuelair mixture becomes too lean
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