Important questions related to inventions to be asked in the examination, the candidates must read

Based On Invention Question For RRB Group D Exam : The Indian Railway Recruitment Board (RRB) has started the recruitment process for Group D posts, one of the top boards of India, this exam will be conducted on 17th August 2022 and there is a provision to complete this exam in several phases. It is that now the candidate will have to appear in only one test and on the basis of that all the candidates will be shortlisted.

Today, for all the candidates going to appear in the Railway Group D exam, we have come up with the answers to the important questions related to the inventions asked in the previous examinations and these questions will prove to be very important questions from the examination point of view. In such a situation, students must study these questions to get better results and good marks in the examination.

Based On Invention Question For RRB Group D Exam
Based On Invention Question For RRB Group D Exam

Based On Invention Question For RRB Group D Exam (Important Q&A)

Question. Which of the following was the first of the technological inventions?

  • Phone
  • Telescope
  • Phone
  • teletype

Answer: 2

Question. In 1831, the use of electricity in the field of technology became viable until the discovery of the electric dynamo.

  • benjamin franklin
  • alessandro volta
  • Michael Faraday
  • Thomas Edison

Answer: 3

Question. What was the commercially available modern microwave oven invented by Percy Spacer called?

  • Radarange
  • Raytheon
  • aamna
  • tappan

Answer 1

Question. Where was the modern pencil first invented?

  • Europe
  • America
  • India
  • America

Answer 1

Question. Who laid the foundation for the future development of radio, telephone, telegraph and even television?

  • Joseph John Thomson
  • Heinrich Rudolf Hertz
  • Albert Einstein
  • Michael Faraday

Answer: 2

Question. Who invented the smart globe called Terra-Blue XT-TJ which gives an indication of epileptic seizures?

  • Archana S. R.
  • Rajalakshmi Borthakur
  • channika barua
  • Ankita Deka

Answer: 2

Question. Who among the following was part of the team that invented the atomic bomb?

  • Alfred Nobel
  • John Dalton
  • Julius Oppenheimer
  • Robert Bacon

Answer: 3

Question. Thomas Clifford Albert is associated with the invention of ………?

  • X-ray machine
  • clinical thermometer
  • stethoscope
  • microscope

Answer: 2

Question. Who invented the bifocal lens?

  • Thomas Alva Edison
  • benjamin franklin
  • evangelista
  • Isaac Newton

Answer: 2

Question. Who invented the pistol (revolver)?

  • William Hunt
  • Robert H Godai
  • Henry Ogle
  • Samuel Colt

Answer: 4

Question. Which of the following scientists did some calculations for the fifth state of matter?

  • Satyendranath Bose
  • CV Raman
  • Vikram Sarabhai
  • Homi Bhabha

Answer 1

Question. Who invented the fountain pen?

  • birdseye
  • Lewis I Waterman
  • Dr. Lee de Forest
  • Augsburg

Answer: 2

Question. Who invented and used electric air conditioning on a large scale for the first time in 1902?

  • willis career
  • john gorey
  • Stuart Kemmer
  • H.H. Schultz

Answer 1

Question. Who was awarded the first US patent for the invention of the type of sewing machine?

  • Elias Howe
  • alejandro volta
  • John Neyer
  • Ernest Rutherford

Answer 1

Question. Who is considered to be the inventor of Thermoscope?

  • copernicus
  • J. Kepler
  • galileo galilei
  • newton

Answer: ?

What would be the correct answer to this question? Do give us your answer in the comment section.

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