A carnot engine takes 3 × 10 6 cal of heat from a reservoir at 627°C, and gives it to a sink at 27°C. The work done by the engine is (A) 4.2 × 10 6 J (B) 8.4 × 10 6 J (C) 16.8 × 10 6 J (D) zero

Question

A carnot engine takes 3 × 10 6 cal of heat from a reservoir at 627&deg;C, and gives it to a sink at 27&deg;C. The work done by the engine is (A) 4.2 × 10 6 J (B) 8.4 × 10 6 J (C) 16.8 × 10 6 J (D) zero

jitendra · Answer

(b) 8.4*10 6 work done by enigne while taking heat Q=3*10 6 cal is w=2*10 6 *4.2=8.4*10 6 j. this is expect answer i think

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A carnot engine takes 3 × 10 6 cal of heat from a reservoir at 627°C, and gives it to a sink at 27°C. The work done by the engine is (A) 4.2 × 10 6 J (B) 8.4 × 10 6 J (C) 16.8 × 10 6 J (D) zero

A carnot engine takes 3 × 10⁶ cal of heat from a reservoir at 627°C, and gives it to a sink at 27°C. The work done by the engine is

(A) 4.2 × 10⁶ J

(B) 8.4 × 10⁶ J

(C) 16.8 × 10⁶ J

(D) zero

1 Answers

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A carnot engine takes 3 × 10 6 cal of heat from a reservoir at 627°C, and gives it to a sink at 27°C. The work done by the engine is (A) 4.2 × 10 6 J (B) 8.4 × 10 6 J (C) 16.8 × 10 6 J (D) zero

A carnot engine takes 3 × 106 cal of heat from a reservoir at 627°C, and gives it to a sink at 27°C. The work done by the engine is (A) 4.2 × 106 J (B) 8.4 × 106 J (C) 16.8 × 106 J (D) zero

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A carnot engine takes 3 × 10⁶ cal of heat from a reservoir at 627°C, and gives it to a sink at 27°C. The work done by the engine is

(A) 4.2 × 10⁶ J

(B) 8.4 × 10⁶ J

(C) 16.8 × 10⁶ J

(D) zero