Dwell period / » Internal Combustion Engines (I.C. Engines) solved MCQs / By admin Question: Dwell period A. is directly proportional to engine speed B. is inversely proportional to engine speed C. does not depend on engine speed D. none of the above Answer» b. is inversely proportional to engine speed Note: The above multiple-choice question is for all general and Competitive Exams in India.