4-स्ट्रोक SI इंजन पर एक प्रयोग के दौरान, यह देखा गया कि प्रत्येक कार्य चक्र के दौरान सिलिन्डर के अंदर अधिकतम और न्यूनतम दाब क्रमशः 5 bar और 200 bar था। यदि संपीड़न अनुपात 8 था, तो माध्य प्रभावी दाब लगभग है:

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  1. 1.28 bar
  2. 18.02 bar
  3. 2.18 bar
  4. 21.80 bar

Answer (Detailed Solution Below)

Option 4 : 21.80 bar
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दिया गया है: Pmax = P3 = 200 bar, Pmin = P1 = 5 bar, , समऐन्ट्रॉपी प्रक्रम 1–2 के लिए:  ⇒  ∴ दाब अनुपात,  ∵ माध्य प्रभावी दाब,  = 

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