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← TechnologyWhich outcome occurs when an internal combustion engine piston ring loses tension?
A)Increased oil consumption and exhaust smoke✓
B)Reduced engine vibration and smoother idle
C)Improved fuel efficiency and lower emissions
D)Higher peak horsepower and faster acceleration
💡 Explanation
When a piston ring loses tension, blow-by increases because the combustion chamber isn't sealed effectively allowing oil to enter causing incomplete combustion. Therefore increased consumption and smoke results, rather than performance improvements, reduced vibration, or fuel efficiency which hinge on proper sealing.
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