College Programs Courses

General Knowledge App's Tests

General Knowledge e-Book's MCQs - Complete

Refrigeration App MCQs & e-Book 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 Basic Business Research MCQs App. The "Refrigeration MCQs" 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)

Basic Business Research App (Android & iOS)

Basic Business Research App (Android & iOS)

Electronic Devices App (Android & iOS)

Electronic Devices App (iOS & Android)