Tag: science & technology

Questions Related to science & technology

Claymore is anti-tank weapon?
general knowledge science & technology

  1. True

  2. False

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Correct Option: B

Boiling water under normal atmospheric pressure is at temperature of ____ .

general knowledge science & technology

  1. 100 degree celcius

  2. more than 100 degree celcius.

  3. less than 100 degree celcius

  4. can be more or less than 100 degree celcius

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Correct Option: A

you go to a very high hill station. you have a picnic there. you try to cook food in open pan. you find that the time taken for cooking is more than it took back at your home.
general knowledge science & technology

  1. the above statement is false

  2. because the water boils at less than 100 degree celcius on hill, so more time is required

  3. because water is very cold at hill station

  4. none of the above.

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Correct Option: B

food in pressure cooker gets cooked early than in open pan.

general knowledge science & technology

  1. the above statement is false.

  2. in pressure cooker the pressure is high so food is cooked early

  3. in pressuere cooker the pressure is low so the food is cooked early

  4. in pressure cooker water boils at lower temperature cooking the food early

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Correct Option: B

The whistle used to train dog is not audible to human ear.
general knowledge science & technology

  1. the above statement is false

  2. because they are infra-sonic whistle specially meant for dogs

  3. because they are ultra-sonic whistle specially made for dog

  4. none of the above.

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Correct Option: C

ultrasonic sound is ____.
general knowledge science & technology

  1. between 20 Hz to 20 kHz

  2. below 20 kHz

  3. equal to 20 kHz

  4. above 20 kHz

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Correct Option: D

When ships sail in sea , the use SONAR method to find the depth of sea at any place or to locate any enemy submaries. The concept behind SONAR is ______ .
general knowledge science & technology

  1. superposition principle

  2. echo

  3. both of the above

  4. none of these

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Correct Option: B

R.D.X
general knowledge science & technology

  1. Research Department eXplosive

  2. Recursive Detonating eXplosive

  3. Reactive Detonation eXplosive

  4. None

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Correct Option: A

T.N.T.
general knowledge science & technology

  1. Tetra Nitrous Timber

  2. Tetra Nitrous Toluene

  3. Tri Nitro Toluene

  4. Tri Nitrous Timber

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Correct Option: C

LSD (drug)
general knowledge science & technology

  1. Lead Silver Drug

  2. Lysergic acid Diethylamide

  3. Lysergic Silver Drug

  4. None

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Correct Option: B