Inventions Inventions Miscellaneous

• A Electric razor
• B Light bulb
• C Refrigerator
• D Railway air brakes
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D

Answer: D

Railway air brakes invented by George Westinghouse.

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Improve your knowledge and understanding of various inventions with our comprehensive multiple-choice questions (MCQ) on the topic of miscellaneous inventions. From classic inventions to modern-day innovations, this mcq will test your understanding and help you to prepare for exams and assessments in the field of science and technology.