Questions

Q:

Circuit breaker usually operate under

A) after D. C. component has ceased B) transient state of short-circuit current
C) sub-transient state of short-circuit current D) steady state of short-circuit current
 
Answer & Explanation Answer: B) transient state of short-circuit current

Explanation:
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Q:

Which country won the World cup in 1999

A) Australia B) South Africa
C) Pakistan D) England
 
Answer & Explanation Answer: A) Australia

Explanation:
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Filed Under: Sports

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Q:

Which is the first news paper in India?

A) Peking Gazette B) Kashmir Times
C) Dainik Jagran D) Bengal Gazette
 
Answer & Explanation Answer: D) Bengal Gazette

Explanation:

Hicky's Bengal Gazette was the first English-language newspaper and the first printed newspaper to be published in both the Indian sub-continent and in Asia. James Augustus Hicky, an Irishman started this in 1780.

Which_is_the_first_news_paper_in_India1560942398.jpg image

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Filed Under: Indian History
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Q:

Which is Largest library in the world ?

Answer

United State Library of Congress, Washington D.C.

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Q:

How does the Sun get its energy

A) From gravitational pressure B) From nuclear fission
C) From nuclear fusion D) None of the above
 
Answer & Explanation Answer: C) From nuclear fusion

Explanation:
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Q:

Which of the following countries is trying to get  membership of European Union?

A) Myanmar B) Brazil
C) Croatia D) Italy
 
Answer & Explanation Answer: C) Croatia

Explanation:
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Filed Under: General Awareness

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Q:

Cotton for texttile was first cultivated in

A) Egypt B) India
C) Mesopotamia D) Central America
 
Answer & Explanation Answer: B) India

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Q:

Ketchup stored in a tin can may lead to chemical contamination.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

The given statement is True.


Ketchup is acidic, having a pH of 3.9. The acidic component, acetic acid, will react with the metal tin. This reaction will result in a metal acetate that will contaminate the ketchup.


 


Hence, The acetic acid in the ketchup will react with the metal tin, forming a metal acetate that will pass into the ketchup which leads to its contamination.

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Subject: Chemistry
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