Tag: science & technology

Questions Related to science & technology

What is a bearing pressure in a journal bearing (width 30 mm and Dia 20 mm) subjected to shaft load of 40N.
general knowledge science & technology

  1. 40x 20 x 30

  2. 40/(20x30)

  3. 40/(3.14 x 20 x 20/4)

  4. 40 x (3.14 x 20 x 20/4)

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Correct Option: B

Which of the following is not a social network site?
general knowledge science & technology

  1. Amazon

  2. Myspace

  3. Orkut

  4. Twitter

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Correct Option: A

What command clears the screen in MS-DOS and the Windows command line
general knowledge science & technology

  1. cd

  2. clear

  3. cls

  4. echo

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Correct Option: A,C

Who was one of the original founders for the Intel corporation?
general knowledge science & technology

  1. Bill Gates

  2. Jerry Yang

  3. Gordon E. Moore

  4. Sergey Brin

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Correct Option: C

Which of the below options is a type of connector used with a CD-ROM or other disc drive?
general knowledge science & technology

  1. DB-15

  2. Molex

  3. PS/2

  4. RJ-11

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Correct Option: B

Where are the device drivers settings for Windows stored?
general knowledge science & technology

  1. BIOS

  2. CMOS

  3. EEPROM

  4. Registry

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Correct Option: D

Which of the below power line issues can cause problems with your computer?

general knowledge science & technology

  1. Line sag

  2. Line surge

  3. Line noise

  4. All of the above

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Correct Option: D

What is the name of the person in the below photograph?

general knowledge science & technology

  1. Bill Gates

  2. Dan Bricklin

  3. Sergey Brin

  4. Steve Ballmer

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Correct Option: D
  1. If a 20 teeth gear is meshes with 40 teeth gear then which is a weaker gear in bending if both the gears are made up of same material
general knowledge science & technology

  1. both weaker

  2. 20 teeth

  3. 40 teeth

  4. Any one depending on load

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Correct Option: B

We know c = sin(n1/n2) where c = critical angle . Also total internal reflection occurs when angle of incidence ( i ) is greater than c. Based on this context what is n1 .
general knowledge science & technology

  1. refractive index of the less optically dense medium,

  2. refractive index of the more optically dense medium,

  3. refractive index of vacuum

  4. angle between incident ray and normal

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Correct Option: A