Tag: science & technology

Questions Related to science & technology

If you suffer from daltonism, you are:
general knowledge science & technology

  1. Mute

  2. Deaf

  3. Color blind

  4. Schizophrenic

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Correct Option: C

If two gears are transmitting power of 10 HP at 1000 RPM. Module of first is 4.5 then what the module of the second gear ?
general knowledge science & technology

  1. 10 / 2 x pi x 1000

  2. 4.5 x (10/(2 x pi x 1000)

  3. 4.5

  4. 1/4.5

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Correct Option: C

What is the maximum carbon percentage in a steel?
general knowledge science & technology

  1. 0.2%

  2. 2%

  3. 6%

  4. 20%

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Correct Option: B

If a cantilever beam of length 200 mm is subjected to load of 50 N at a distance of 120 mm from the fixed end of the beam. What is the maximum bending stress developed if section modulus is Zc?
general knowledge science & technology

  1. 50/ (120 x Zc)

  2. 50 x 80 / Zc

  3. 50 x 120 x Zc

  4. 50 x 120/Zc

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Correct Option: D

What is the meaning of endurance limit of the material?

general knowledge science & technology

  1. It is ultimate tensile strength of the material

  2. It is the limiting stress, below which material can withstand infinite numbeer of cylic loads without failure

  3. It is the minimum permanent deflection caused by the material when it is subjected to 1 million stress reversals

  4. It ration of ultimate strength to yield stregth

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Correct Option: B

Which one of the following types of waves are used in a night vision apparatus ?
general knowledge science & technology

  1. Radio waves

  2. Microwaves

  3. Infra-red waves

  4. None of the above

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Correct Option: C

A person travels 12 km due North, then 15 km duo East, after that 15 km due West and then 18 km due South. How far is he from the starting point"?
general knowledge science & technology

  1. 6 km

  2. 12 km

  3. 33 km

  4. 60 km

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Correct Option: A

If a hole in a disc is 10 mm +0.050 and -0.020 what should be the shaft dimension which will have minimum clearance of 0.018 mm and maximum clearance of 0.110 mm?

general knowledge science & technology

  1. 9.870 and 10.032

  2. 9.982 and 9.890

  3. 9.870 and 9.962

  4. 9.940 and 9.962

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Correct Option: D

In the context of genetic disorders, consider the following : A woman suffers from colour blindness while her husband does not suffer from it. They have a son and a daughter. In this context, which one of the following statements is most probabl) correct ?
general knowledge science & technology

  1. Both children suffer from colour blindness.

  2. Daughter suffers from colour blindness while son does not suffer from it.

  3. Both children do not suffer from colour blindness.

  4. Son suffers from colour blrndness while daughter does not suffer from it.

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Correct Option: D

Which one of the following is used as an explosive ?
general knowledge science & technology

  1. Phosphorus Trichloride

  2. Mercuric oxide

  3. Graphite

  4. Nitroglycerine

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Correct Option: D