Solved UPSC CDS/OTA Question
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Q · Heat and ThermodynamicsMedium · 45s
Which of the following is a good example of adiabatic expansion?
TopicHeat and Thermodynamics
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Sudden expansion doesn’t allow heat exchange.
Final Answer: Option A — Sudden expansion of air in a vacuum flask