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- Question
What Benjamin Franklin invented?
Options- A. Bifocal spectacles
- B. Radio
- C. Barometer
- D. Hygrometer
- Correct Answer
- Bifocal spectacles
ExplanationInvented in 1760.
A list of Benjamin Franklin's inventions reveals a man of many talents and interests. It was the scientist in Ben that brought out the inventor. His natural curiosity about things and the way they work made him try to find ways to make them work better.
Ben had poor vision and needed glasses to read. He got tired of constantly taking them off and putting them back on, so he decided to figure out a way to make his glasses let him see both near and far. He had two pairs of spectacles cut in half and put half of each lens in a single frame. Today, we call them bifocals. - 1. Who invented Internal Combustion Engine?
Options- A. Roger Bacon
- B. Karl Benz
- C. Dr. Alan M. Turing
- D. Otto Discuss
- 2. What plaything was invented by Joe McVicker in 1956?
Options- A. Silly Putty
- B. Etch-A-Sketch
- C. Lite-Brite
- D. Play-Doh Discuss
- 3. Which of the following is not a part of machinery that settles industrial disputes?
Options- A. Wage Court
- B. Works Committee
- C. Conciliation officers
- D. Board of Conciliation Discuss
- 4. In India, inflation measured by the
Options- A. Wholesale Price Index number
- B. Consumers Price Index for urban non-manual workers
- C. Consumers Price Index for agricultural workers
- D. National Income Deflation Discuss
- 5. Devaluation of currency will be more beneficial if
Options- A. prices of domestic goods remain constant
- B. prices of exports remain constant
- C. prices of imports remains constant
- D. prices of exports rise proportionately Discuss
- 6. What Sir Isaac Newton invented?
Options- A. Reflecting telescope
- B. Chronometer
- C. Microscope
- D. Spectacles Discuss
- 7. What James Watt invented?
Options- A. Diving bell
- B. Steam boat
- C. Hot air balloon
- D. Rotary steam engine Discuss
- 8. FROZEN FOOD - Who discovered the first practical method of freezing food?
Options- A. C. Birdseye
- B. F. Rozenosh
- C. G. Findus
- D. R. Scott Discuss
- 9. Who developed the idea of Crop Rotation?
Options- A. Potato Peterson
- B. Turnip Townsend
- C. Cabbage Carlson
- D. Swede Svenson Discuss
- 10. What invention caused many deaths while testing it?
Options- A. Dynamite
- B. Ladders
- C. Race cars
- D. Parachute Discuss
Inventions problems
Search Results
Correct Answer: Otto
Correct Answer: Play-Doh
Explanation:
The stuff was originally intended to be wallpaper cleaner! (I used to eat this as a child)
Correct Answer: Wage Court
Correct Answer: Wholesale Price Index number
Explanation:
Two major measures for inflation, which are widely used, are Wholesale Price Index (WPI) and Consumer Price Index (CPI). WPI measures the increase in the prices of a fixed basket of goods prevailing in the wholesale market while CPI measures the increase in the prices of essential commodities purchased by an average consumer prevailing in the retail market. Measured weekly, WPI is the primary inflation measure in India.
Correct Answer: prices of exports remain constant
Correct Answer: Reflecting telescope
Explanation:
Invented in 1668.
Correct Answer: Rotary steam engine
Explanation:
Invented in 1765.
Correct Answer: C. Birdseye
Explanation:
In the 1920s Clarence Birdseye discovered that if food was flash-frozen under pressure, it would freeze without the formation of ice crystals.
Correct Answer: Turnip Townsend
Explanation:
Viscount Charles 'Turnip' Townsend developed this revolutionary concept.
Correct Answer: Parachute
Explanation:
Many people who tried to test the first parachutes died by jumping from high places. One attempt was a parachute hat, but the inventor broke his neck while testing it. The first successful parachute was tested from a hot air balloon in 1797, in France, by Jacques Garnerin.
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