Tag: science & technology

Questions Related to science & technology

Which element is found in toothpaste for keep our teeth healthy?
general knowledge science & technology

  1. Silicon

  2. FLUORINE

  3. POTTASIUM

  4. ALUMINIUM

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Correct Option: B

The purpose of choke in tube light is ?
general knowledge science & technology

  1. To decrease the current

  2. To increase the current

  3. To decrease the voltage momentarily

  4. To increase the voltage momentarily

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Correct Option: D

Who developed Yahoo?
general knowledge science & technology

  1. Dennis Ritchie & Ken Thompson

  2. David Filo & Jerry Yang

  3. Vint Cerf & Robert Kahn

  4. Steve Case & Jeff Bezos

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Correct Option: B

Which motor is NOT suitable for use as a DC machine?
general knowledge science & technology

  1. Permanent magnet motor

  2. Series motor

  3. Squirrel cage motor

  4. Synchronous motor

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Correct Option: C

Who co-founded Hotmail in 1996 and then sold the company to Microsoft?
general knowledge science & technology

  1. Shawn Fanning

  2. Ada Byron Lovelace

  3. Sabeer Bhatia

  4. Ray Tomlinson

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Correct Option: C

The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a...?
general knowledge science & technology

  1. Transformer

  2. Yoke

  3. Capacitor

  4. Diode

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Correct Option: B

In the United States the television broadcast standard is...?
general knowledge science & technology

  1. PAL

  2. NTSC

  3. SECAM

  4. RGB

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Correct Option: B

The most expensive substance in the world is
general knowledge science & technology

  1. cesium

  2. californium

  3. nobium

  4. anthracene

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Correct Option: B

Which element never solidify ?
general knowledge science & technology

  1. Nitrogen

  2. Helium

  3. Argon

  4. Stroncium

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Correct Option: B

Which is a semiconductor?
general knowledge science & technology

  1. Aluminium

  2. Germanium

  3. Boron

  4. Cadmium

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Correct Option: B