Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesMedium2 minQB
PhysicsMediumsingle choice
A proposed engine takes 500 J of heat from a hot reservoir in each cycle and converts all of it to 500 J of work, rejecting no heat. This engine:
Options:
Answer:
C
Solution:
A cyclic engine must reject some heat to a colder reservoir. An efficiency of 100% is not allowed. C.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermodynamics Laws & Specific Heats of Gases
⏱ 2mℹ️ Source: QB
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