Automobile Engineering in ME
In which of the following conditions, the idle CO percentage should be measured with the vehicle?

Headlights and other electrical devices are switched on
Headlights and other electrical devices are switched off
Headlights and other lights are switched off
Headlights are switched on

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Automobile Engineering in ME
A basic difference between the spark ignition engine and the Diesel engine is that the

All of these
Air temperature ignites the fuel in the Diesel engine
Fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke
Diesel engine compresses air alone instead of an air-fuel mixture

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