Automobile Engineering in ME
If the valve clearances are excessively large, the problem that can arise is

Incomplete valve closure
Fouling of spark plug by gasoline
Overheating of the engine
None of the listed here

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Automobile Engineering in ME
The advantage of having a tandem master cylinder arrangement in automobiles is that it

Enhances safety by activating the brakes using vacuum pressure in the event of brake fluid loss
Boosts the brake fluid pressure to reduce the force required to depress the brake pedal
Enhances safety by serving two independent lines in a divided line brake circuit
Supplies equal fluid pressure to each line of a divided line brake circuit, thereby preventing the brakes from dragging on one side

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