Two statements are given, one marked as Assertion (A) and the other as Reason…

PYQ UPPSC LT Grade (Assistant Teacher) 2025

Two statements are given, one marked as Assertion (A) and the other as Reason (R). Assertion (A): The efficiency of a Carnot engine is always less than 1. Reason (R): Because sink temperature T₂ is always greater than zero. Select the correct answer using the options given below.

  1. A.

    (A) is false, but (R) is true.

  2. B.

    Both (A) and (R) are true and (R) is the correct explanation of (A).

  3. C.

    Both (A) and (R) are true, but (R) is not the correct explanation of (A).

  4. D.

    (A) is true, but (R) is false.

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