engineering recuitment UPPSC AE Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices

प्रशीतक के उप-शीतलन से प्रणाली की दक्षता ______ 

1
घटेगी
2
समान रहेगी
3
बढ़ोतरी
4
कोई विकल्प सही नहीं है
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