Practice Question and Answer

Q: A nuclear reactor is said to have become 'critical' when 1930 0

  • 1
    it stops due to malfunctioning
    Correct
    Wrong
  • 2
    it starts emitting dangerous radioactive radiations
    Correct
    Wrong
  • 3
    it is shut down to avoid explosion
    Correct
    Wrong
  • 4
    it is ready to produce controlled energy
    Correct
    Wrong
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Answer : 4. "it is ready to produce controlled energy"
Explanation :

Answer: D) it is ready to produce controlled energy Explanation: To produce controlled energy i.e energy at a controlled or steady rate, the number of fissions per second must be controlled and maintained at that rate. Excess neutrons should be absorbed by control roads like cadmium.

Q:

Which gas is used in the food packaging industry to prevent chips from getting oxidized?

1930 0

  • 1
    Nitrogen
    Correct
    Wrong
  • 2
    Hydrogen
    Correct
    Wrong
  • 3
    Helium
    Correct
    Wrong
  • 4
    Carbon
    Correct
    Wrong
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Answer : 1. "Nitrogen"

Q:

By Selling 90 pens for Rs. 80 a man loses 20%. What should be the selling price (in Rs.) of 90 pens for 20% profit?

1930 0

  • 1
    90
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    110
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 4. "120"

Q: According to Hindu mythology, which snake killed Parikshit? 1930 0

  • 1
    Kaliya
    Correct
    Wrong
  • 2
    Takshak
    Correct
    Wrong
  • 3
    Ananta
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Takshak"

Q: The headquarters of Food and Agriculture Organisation is in 1930 0

  • 1
    Washington
    Correct
    Wrong
  • 2
    Paris
    Correct
    Wrong
  • 3
    Madrid
    Correct
    Wrong
  • 4
    Rome
    Correct
    Wrong
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Answer : 4. "Rome"

Q: Kalinga War was fought in 1930 0

  • 1
    250 BC
    Correct
    Wrong
  • 2
    255 BC
    Correct
    Wrong
  • 3
    260 BC
    Correct
    Wrong
  • 4
    270 BC
    Correct
    Wrong
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Answer : 3. "260 BC"

Q:

Max von Sydow, who recently passed away, belongs to which profession?

1930 0

  • 1
    Singer
    Correct
    Wrong
  • 2
    Politician
    Correct
    Wrong
  • 3
    Actor
    Correct
    Wrong
  • 4
    Director
    Correct
    Wrong
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Answer : 3. "Actor"

Q:

Direction: What should come in place of the questions mark (?) in the following letter series?
a, k, e, o, i, s,  ? __ ? _ , q , a , u , e 

1930 1

  • 1
    1, w
    Correct
    Wrong
  • 2
    m, w
    Correct
    Wrong
  • 3
    1, v
    Correct
    Wrong
  • 4
    m, v
    Correct
    Wrong
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Answer : 2. "m, w "

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