A reversible power cycle operating as in the figure receives energy QH by heat transfer from a hot reservoir at T and rejects energy Qc-16 Btu by heat transfer to a cold reservoir at Te -40°F. The work for the cycle Wcycle - 30 Btu. Determine the thermal efficiency and TH, in °F. Hot reservoir Cold reservoir ma QH Wata

Q: 1O N A GN 2m

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Friction

Friction is defined as the force that prevents any solid surface, any layer of fluid, or any kind of element or material from sliding.