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Q:

Gasoline is useful in cars because it has

A) chemical potential energy B) electrical potential energy
C) gravitational potential energy D) kinetic energy
 
Answer & Explanation Answer: A) chemical potential energy

Explanation:

Gasoline is a colorless petroleum-derived flammable liquid that is used primarily as a fuel in spark-ignited internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives. It is also called as Petrol. It has chemical potential energy, in combustion it is turned into light, sound, heat and kinetic energy.

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Filed Under: Physics
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Q:

What state of matter is Jello?

A) Liquid B) Solid
C) Colloid D) Gas
 
Answer & Explanation Answer: C) Colloid

Explanation:

Jello is a colloid, a semi-rigid structure i.e, semi-solid suspended in a liquid. When you Heat it up a bit and you'll break the protein bonds of the gelatin and it will liquefy completely and if you freeze, it becomes solid.

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Filed Under: Chemistry
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Q:

A doppler effect occurs when a source of sound moves

A) away from you B) towards you
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The Doppler effect or Doppler shift is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source. 

a_doppler_effect_occurs_when_a_source_of_sound_moves1560770484.jpg image

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Q:

Which team did Sachin Tendulkar paly for in the Ranji Trophy when he made his debut in first class cricket

A) Karnataka B) Delhi
C) Mumbai D) kerala
 
Answer & Explanation Answer: C) Mumbai

Explanation:
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Q:

Classify the Hashing Functions based on the various methods by which the key value is found.

Answer

Direct method,


 Subtraction method,


 Modulo-Division method,


 Digit-Extraction method,


 Mid-Square method,


 Folding method,


Pseudo-random method

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Subject: Technology

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Q:

Which of the following is true?

A) It is appropriate to use assertions to validate arguments to methods marked public B) It is appropriate to catch and handle assertion errors
C) It is NOT appropriate to use assertions to validate command-line arguments D) None
 
Answer & Explanation Answer: C) It is NOT appropriate to use assertions to validate command-line arguments

Explanation:

A is incorrect. It is acceptable to use assertions to test the arguments of private methods.

 

B is incorrect. While assertion errors can be caught, Sun discourages you from doing so.

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Filed Under: Programming

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Q:

How many times the following program would print 'Jamboree'?

main()

{

     printf ( "\nJamboree");

     main ();

}

Answer

Till the stack doesn't overflow

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Subject: Programming

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Q:

Name the movie that voted 2016’s Best Film by Indian film critics’ poll?

A) Pink B) Sultan
C) Mohenjadaro D) Dangal
 
Answer & Explanation Answer: D) Dangal

Explanation:
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