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Temperatures: (A) (in W) An internal combustion engine may be described approximately as a cyclic heat engine, in which the working gas undergoes an Otto cycle. Assume (i) the engine speed is 10 strokes per second; (ii) the engine absorbs heat Qh and emits heat Qc for each cycle. (A) What is the power supplied as work? (B) What is the efficiency? Qh = 640 joules; Qc = 455 joules. OA: 1275.9 OB: 1850.0OC: 2682.5 OD: 3889.6 OE: 5640.0 OF: 8177.9 OG: 11858.0 OH: 17194.1 (B) OA: 0.096 OB: 0.113 OC: 0.132 OD: 0.154 OE: 0.180 OF: 0.211 OG: 0.247 OH: 0.289

Temperatures: (A) (in W) An internal combustion engine may be described approximately as a cyclic heat engine, in which the working gas undergoes an Otto cycle. Assume (i) the engine speed is 10 strokes per second; (ii) the engine absorbs heat Qh and emits heat Qc for each cycle. (A) What is the power supplied as work? (B) What is the efficiency? Qh = 640 joules; Qc = 455 joules. OA: 1275.9 OB: 1850.0OC: 2682.5 OD: 3889.6 OE: 5640.0 OF: 8177.9 OG: 11858.0 OH: 17194.1 (B) OA: 0.096 OB: 0.113 OC: 0.132 OD: 0.154 OE: 0.180 OF: 0.211 OG: 0.247 OH: 0.289

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Temperatures: (A) (in W) An internal combustion engine may be described approximately as a cyclic heat engine, in which the working gas undergoes an Otto cycle. Assume (i) the engine speed is 10 strokes per second; (ii) the engine absorbs heat Qh and emits heat Qc for each cycle. (A) What is the power supplied as work? (B) What is the efficiency? Qh=640 joules; Qc = 455 joules. OA: 1275.9 OB: 1850.0 OC: 2682.5 OD: 3889.6 OE: 5640.0 OF: 8177.9 OG: 11858.0 OH: 17194.1 (B) OA: 0.096 OB: 0.113 OC: 0.132 OD: 0.154 OE: 0.180 OF: 0.211 OG: 0.247 OH: 0.289
Transcribed Image Text:Temperatures: (A) (in W) An internal combustion engine may be described approximately as a cyclic heat engine, in which the working gas undergoes an Otto cycle. Assume (i) the engine speed is 10 strokes per second; (ii) the engine absorbs heat Qh and emits heat Qc for each cycle. (A) What is the power supplied as work? (B) What is the efficiency? Qh=640 joules; Qc = 455 joules. OA: 1275.9 OB: 1850.0 OC: 2682.5 OD: 3889.6 OE: 5640.0 OF: 8177.9 OG: 11858.0 OH: 17194.1 (B) OA: 0.096 OB: 0.113 OC: 0.132 OD: 0.154 OE: 0.180 OF: 0.211 OG: 0.247 OH: 0.289
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