Automobile Engineering in ME
The purpose of a thermostat in an engine cooling system is to

Allow the engine to warm up quickly
Prevent the coolant from boiling
Pressurise the system to raise the boiling point
Indicate the coolant temperature

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

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