General Studies · Thermodynamics
एक उत्क्रमणीय इंजन (reversible engine) की आदर्श तापीय दक्षता (thermal efficiency) 75% है। यदि चक्र की दिशा उलट दी जाती है और इसे रेफ्रिजरेटर में बदल दिया जाता है, तो इसका निष्पादन गुणांक (COP) क्या होगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 132
- 213✓
- 343
- 423
सही उत्तर देखें
13
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Preparing for General Studies?
Practice full-length General Studies mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Thermodynamics MCQs →Want more practice questions on Thermodynamics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in General Studies · Thermodynamics