What is the main difference between a double piston with step bore and a double piston with straight bore wheel cylinder in automotive braking systems?

Question

Automobile Engineering · Braking System

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

The step bore has pistons with different diameters to apply unequal force.

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Answer 1

The step bore operates entirely without hydraulic pressure.

Answer 2

The step bore uses a single piston instead of two.

Answer 3

The step bore does not engage with any brake shoes.

Answer 4

The step bore has pistons with different diameters to apply unequal force.

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