Inventions MCQs – Certification Test 593

Refrigerator Trivia (Question 593) – App & e-Book Download

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MCQ 593: The first practical vapor compression refrigeration system was built by a Scottish Australian named:

Sir James Hillier
Sir Peter Cooper Hewitt
Sir James Harrison
Sir Thomas Edison

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Inventions Trivia App & e-Book – Refrigerator Exam Prep

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Free Refrigerator Textbook App – Download from Play & App Store

The App: Refrigerator Trivia App to Study Refrigerator Notes, General Knowledge Trivia App, and DataBase Management System (MCS) Trivia App for invention virtual academic continuity.

Download the "Refrigerator Study " App: Free General Knowledge Trivia App (iOS & Android) for invention learner support. Download App Store & Play Store Learning Apps with all functionalities to strengthen invention online participation.