Ask Question
29 December, 01:26

A gasoline engine with efficiency 25% delivers 1500 J of mechanical work per cycle. How much heat does this engine discard per cycle? (A) 6000 (B) 7500J (C) 4500J (D) 375 (E) 2000

+4
Answers (1)
  1. 29 December, 04:43
    0
    (C) 4500J

    Explanation:

    η = Efficiency of the gasoline engine = 25% = 0.25

    W = mechanical work done by engine per cycle = 1500 J

    E = Total input heat

    mechanical work done by engine per cycle is given as

    W = η E

    1500 = (0.25) E

    E = 6000 J

    U = heat discarded by the engine per cycle is given as

    U = E - W

    U = 6000 - 1500

    U = 4500 J
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A gasoline engine with efficiency 25% delivers 1500 J of mechanical work per cycle. How much heat does this engine discard per cycle? (A) ...” in 📙 Physics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers