Engine: Retired questions · General Subjects

1. A The clearance between the reverse taper of the control cylinder's inner wall and the periphery of the valve disk will decrease, and as a result, the pressure drop across the periphery of the valve disk will decrease.
2. B The clearance between the reverse taper of the control cylinder's inner wall and the periphery of the valve disk will decrease, and as a result, the pressure drop across the periphery of the valve disk will increase.
3. C The clearance between the reverse taper of the control cylinder's inner wall and the periphery of the valve disk will increase, and as a result, the pressure drop across the periphery of the valve disk will increase.
4. D The clearance between the reverse taper of the control cylinder's inner wall and the periphery of the valve disk will increase, and as a result, the pressure drop across the periphery of the valve disk will decrease.

Tip: press A-D to answer