Automobile Engineering in ME
The negative terminal post on the top of a battery is

None of the listed here
Of the same size as the positive terminal post
Smaller than the positive terminal post
Larger than the positive terminal post

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Automobile Engineering in ME
The drive-shafts are connected to the differential and wheel hubs through universal joints because the universal joints

None of these
Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.
Absorb any difference in speed between the left and right wheels when the vehicle is turning
Absorb the vibrations transferred from the surface of the road

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