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Q1: The turning-moment diagram for a petrol engine is drawn to a vertical scale of 1mm = 500 N.m and horizontal scale of 1mm = 3. The turning moment diagram repeats itself after every half revolution of the crankshaft. The areas above and below the mean torque line are 260, -580, 80, -380, 870, and - 250mm² The rotating parts have a mass of 55 Kg and radius of gyration of 2.1m. If the engine speed is 1600 rpm, determine the coefficient of fluctuation of speed. 347189 2

Q1: The turning-moment diagram for a petrol engine is drawn to a vertical scale of 1mm = 500 N.m and horizontal scale of 1mm = 3. The turning moment diagram repeats itself after every half revolution of the crankshaft. The areas above and below the mean torque line are 260, -580, 80, -380, 870, and - 250mm² The rotating parts have a mass of 55 Kg and radius of gyration of 2.1m. If the engine speed is 1600 rpm, determine the coefficient of fluctuation of speed. 347189 2

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Q1: The turning-moment diagram for a petrol engine is drawn to a vertical scale of 1mm = 500 N.m and horizontal scale of 1mm = 3. The turning moment diagram repeats itself after every half revolution of the crankshaft. The areas above and below the mean torque line are 260, -580, 80, -380, 870, and -250mm². The rotating parts have a mass of 55 Kg and radius of gyration of 2.1m. If the engine speed is 1600 rpm, determine the coefficient of fluctuation of speed. 34x139 2
Transcribed Image Text:Q1: The turning-moment diagram for a petrol engine is drawn to a vertical scale of 1mm = 500 N.m and horizontal scale of 1mm = 3. The turning moment diagram repeats itself after every half revolution of the crankshaft. The areas above and below the mean torque line are 260, -580, 80, -380, 870, and -250mm². The rotating parts have a mass of 55 Kg and radius of gyration of 2.1m. If the engine speed is 1600 rpm, determine the coefficient of fluctuation of speed. 34x139 2
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