Automobile Engineering in ME
The difference between DOT 3 and DOT 4 brake fluids is

DOT 4 fluids have a lower boiling point than DOT 3 fluid
DOT 3 and DOT 4 fluids have the same boiling point, but DOT 4 fluid has a longer service life
DOT 4 fluids have a higher boiling point than DOT 3 fluid
DOT 4 fluid is more resistant to freezing than DOT 3 fluid

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Automobile Engineering in ME
Wheel base of a vehicle is the

Distance between the centres of the front and rear wheels
Distance between the centres of the rear tyres
Distance between the centres of the front tyres
Extreme length of the vehicle

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