How is the frequency of firing in a two-stroke concerning the value of four-stroke engines?(a) Same as the value of four-stroke(b) Twice the value of four-stroke(c) Has no relationship with four-stroke(d) Four times the value of four-strokeThis question was posed to me in an online quiz.The doubt is from Conventional Ignition System topic in chapter Conventional Ignition System of Automotive Engine Design

How is the frequency of firing in a two-stroke concerning the value of

1.	How is the frequency of firing in a two-stroke concerning the value of four-stroke engines?(a) Same as the value of four-stroke(b) Twice the value of four-stroke(c) Has no relationship with four-stroke(d) Four times the value of four-strokeThis question was posed to me in an online quiz.The doubt is from Conventional Ignition System topic in chapter Conventional Ignition System of Automotive Engine Design
Answer» Right OPTION is (b) Twice the value of four-stroke The best I can EXPLAIN: The frequency of firing in the two-stroke engine is twice the value for four-stroke engines. THEREFORE expected spark plug LIFE in a motorcycle with two-stroke engines is only half the life in case of CARS that always have four-stroke.

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