Tag: science & technology

Questions Related to science & technology

Current chairman of ISRO.

general knowledge science & technology

  1. Kasthoori Rangan

  2. G Madhavan Nair

  3. APJ Abdul Kalam

  4. Rakesh Sharma

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Correct Option: B

Current chairman of ISRO.

general knowledge science & technology

  1. Kasthoori Rangan

  2. G Madhavan Nair

  3. Rakesh Sharma

  4. APJ Abdul Kalam

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Correct Option: B

First Indian Satelite
general knowledge science & technology

  1. Aryabhatta

  2. Rohini

  3. Bhaskara 1

  4. Bhaskara 2

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Correct Option: A

The most suitable bearing for carrying very heavy loads with slow speed is

general knowledge science & technology

  1. a)hydrodynamic bearing

  2. b)hydrostatic bearing

  3. c)ball bearing

  4. d)rollar bearing

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Correct Option: B

The key will fail in which of the following manner?
general knowledge science & technology

  1. a)shearing

  2. b)crushing

  3. c)both crushing and shearing

  4. d)none of the above

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Correct Option: C

Liquid metal having highest thermal conductivity is
general knowledge science & technology

  1. a)sodium

  2. b)potassium

  3. c)lead

  4. d)mercury

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Correct Option: A

A radiation shield should have
general knowledge science & technology

  1. a)zero reflectivity

  2. b)low reflectivity

  3. c)high reflectivity

  4. d)none of these

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Correct Option: C

A hydrometer is used to determine
general knowledge science & technology

  1. a)relative humidity

  2. b)buoyant force

  3. c)specific gravity of liquids

  4. d)viscosity of liquids

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Correct Option: C

Up to critical radius of insulation
general knowledge science & technology

  1. a)convection heat loss will be less than conduction heat loss

  2. b)added insulation will increase heat loss

  3. c)added insulation will decrease heat loss

  4. d)heat flux will decrease

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Correct Option: B

Critical damping is a function of
general knowledge science & technology

  1. a)mass and stiffness

  2. b)mass and damping co-efficient

  3. c)stiffness and natural frequency

  4. d)natural frequency and damping co-efficient

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Correct Option: A