# RRB NTPC - 2016 :: GK Important Bits Who are Invented Measurements

**1.**

**Bicycle tyre (Pneumatic) was invented by John Boyd Dunlop.**

**2.**

**A device used to measure current is Ammeter**

**.**

**3.**

**Cash Register was invented by James Ritty**

**4.**

**Addressograph was invented by J. S. Duncan**

**5.**

**Arc Lamp was invented by F. Brush**

**6.**

**Celluloid was invented by Alexander Parkes**

**7.**

**Adding Machine was invented by Blaise Pascal**

**8.**

**Carburetor was invented by Gottlieb Diamler**

**9.**

**Bifocal Lens was invented by Benjamin Franklin**

**10.**

**The rate of change of the velocity of a moving body is Acoustics**

**11.**

**Burglar Alarm was invented by Acoustics**

**12.**

**Ballpoint pen was invented by Edwin T. Holmes**

**13.**

**Balloon was invented by John J. Loud**

**14.**

**Electric Lamp was invented by Thomas Alva Edison**

**15.**

**Electric Motor was invented by Nikola Tesla**

**16.**

**Clock(Mechanical) was invented by I. Hsing and Liang Ling-Tsan**

**17.**

**A unit of electric charge is Coulomb**

**18.**

**Cinema was invented by Auguste Marie Louis Nocolas Lumiere and Louis jean Lumiere**

**19.**

**Elevator was invented by Elisha G. Otis**

**20.**

**A unit of radioactivity is Curie**

**21.**

**An apparatus for measuring heat is Calorimeter**

**22.**

**Clock (Pendulum) was invented by Christian Huygens**

**23.**

**Electronic Computer was invented by J. G. Brainerd, J. P. Eckert, J. W. Mauchly**

**24.**

**Electric Motor was invented by Zenobe Gramme**

**25.**

**A unit for measuring ship’s speed is Knot**

**26.**

**Film (talking) was invented by J. Engl, J. Mussolle and H.Vogt**

**27.**

**Helicopter was invented by Etienne Oehmichen**

**28.**

**A form of energy possessed by moving bodies is Kinetic energy**

**29.**

**Glider was invented by Sir George Cayley**

**30.**

**Generator was invented by Piciontti**

RRB NTPC - 2016 :: GK Important Bits Who are Invented Measurements
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