1. An ideal Otto engine, operating on the hot-air standard with k = 1.34, has a compression ratio of 5. At the beginning of compression the volume is 6 cu ft, the pressure is 13.75 psia and the temperature is 100°F. During the constant-volume heat- ing, 340 Btu are added per cycle. Find (a) c, (b) T,, (c) p, (d) e, and (e) Pm Ans. (a) 25%; (b) 5209°R; (c) 639.4 psia; (d) 42.14%; %3D (e) 161.2 psi

1. An ideal Otto engine, operating on the hot-air standard with k = 1.34, has a compression ratio of 5. At the beginning of compression the volume is 6 cu ft, the pressure is 13.75 psia and the temperature is 100°F. During the constant-volume heat- ing, 340 Btu are added per cycle. Find (a) c, (b) T,, (c) p, (d) e, and (e) Pm Ans. (a) 25%; (b) 5209°R; (c) 639.4 psia; (d) 42.14%; %3D (e) 161.2 psi

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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3. An ideal Otto engine, operating on the hot-air standard with k=1.34, has a compression ratio of 5. At the beginning of compression the volume is 6 cu ft, the pressure is 13. 75 psia and the temperature is 1000F. During the constant- volume heating 340 Btu are added per cycle. Find (a) c, (b) T3, (c) p3, (d) e and (e) pm. Ans. a) 25% b) 5209R c)639.4 psia d) 42.14% e)161.2psia
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1. An ideal Otto engine, operating on the hot-air standard with k = 1.34, has a compression ratio of 5. At the beginning of compression the volume is 6 cu ft, the pressure is 13.75 psia and the temperature is 100°F. During the constant-volume heating, 340 Btu are added per cycle. Find (a) c, (b) T3, (C) P3, (d) e, and (e)Pm Ans. (a) 25%; (b) 5209°R; (c) 639.4 psia; (d) 42.14% (e) 161.2 psi
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