Which of the following is not a reason for piston failure?(a) Insufficient lubrication(b) Overloading the engine(c) Detonation(d) Spark plug misfireI have been asked this question in unit test.My doubt is from Engine Components topic in portion Basic Engine Components of Automotive Engine Design

Which of the following is not a reason for piston failure?(a) Insuffic

1.	Which of the following is not a reason for piston failure?(a) Insufficient lubrication(b) Overloading the engine(c) Detonation(d) Spark plug misfireI have been asked this question in unit test.My doubt is from Engine Components topic in portion Basic Engine Components of Automotive Engine Design
Answer» Correct choice is (d) Spark PLUG misfire To elaborate: Piston scuffing occurs due to excessive HEAT the piston expands and becomes tight in the cylinder. The main REASONS for this are insufficient lubrication of cylinder walls, overloading the engine, detonation. WHEREAS spark plug misfire does not affect.

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