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General Knowledge App's Tests

General Knowledge e-Book's MCQs - Complete

Refrigeration App (MCQs) & e-Book PDF Download - 1050

MCQ:

World's first refrigerator was invented by

  1. Oliver Evans
  2. Jacob Perkins
  3. John Gorrie
  4. William Crapo Durant

General Knowledge App & e-Book Tests PDF Download

Refrigeration Textbook App: Free Download (iOS & Android)

The App: Refrigeration MCQs App to study Refrigeration Textbook, General Knowledge MCQs App, and Fluid Mechanics MCQs App. The "Refrigeration" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Refrigeration App (Android & iOS)

Refrigeration App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Fluid Mechanics App (Android & iOS)

Fluid Mechanics App (Android & iOS)

HTML App (Android & iOS)

HTML App (iOS & Android)