GATE ME 2014 Set 4 — Question 56

NAT+2 / -0MediumCarnot Cycle & EntropyLaws & PropertiesThermodynamics

Thermodynamics → Laws & Properties → Carnot Cycle & Entropy

Last updated 5 September 2026

Question

Two identical metal blocks L and M (specific heat = 0.4 kJ/kg.K), each having a mass of 5 kg, are initially at 313 K. A reversible refrigerator extracts heat from block L and rejects heat to block M until the temperature of block L reaches 293 K. The final temperature (in K) of block M is_______

\Delta S_{total} = \Delta S_L + \Delta S_M = 0

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\Delta S_{total} = \Delta S_L + \Delta S_M = 0

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