College Programs Courses

General Knowledge App's Tests

General Knowledge e-Book's MCQs - Complete

Inventions App Download (Quiz) & e-Book PDF - 576

MCQ:

World's first mechanical air conditioner was invented in

  1. 1806
  2. 1908
  3. 1905
  4. 1902

General Knowledge App & e-Book Tests PDF Download

Inventions Textbook App: Free Download (iOS & Android)

The App: Inventions Quiz App to study Inventions Textbook, General Knowledge Quiz App, and Software Engineering Quiz App. The "Inventions" 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!

Inventions App (Android & iOS)

Inventions App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Software Engineering App (Android & iOS)

Software Engineering App (Android & iOS)

Introduction to Psychology App (Android & iOS)

Introduction to Psychology App (iOS & Android)