Which of the following is used to define ignition advance?(a) Clearance volume(b) Cylinder top dead center(c) Compression height(d) Detonation lengthThe question was posed to me during an interview.Origin of the question is Ignition Advance in section Conventional Ignition System of Automotive Engine Design

Which of the following is used to define ignition advance?(a) Clearanc

1.	Which of the following is used to define ignition advance?(a) Clearance volume(b) Cylinder top dead center(c) Compression height(d) Detonation lengthThe question was posed to me during an interview.Origin of the question is Ignition Advance in section Conventional Ignition System of Automotive Engine Design
Answer» CORRECT option is (b) Cylinder TOP dead center For explanation: The difference between ignition delay and the occurrence of SPARK in TERMS of degree of crankshaft rotation, is termed as ignition advance. It is defined CONCERNING the cylinder top dead position.

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