Questions

Q:

Which measurement depends on gravitational force?

A) Mass B) Weight
C) Height D) All of the above
 
Answer & Explanation Answer: B) Weight

Explanation:

We know that,

Weight W = mg. That is mass times gravitational force.

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Q:

Cast iron during machining produces

A) Discontinuous chips B) Continuous chips with build up edge
C) Continuous chips D) All of the above
 
Answer & Explanation Answer: A) Discontinuous chips

Explanation:

Cast iron is a group of iron-carbon alloys with a carbon content greater than 2% and is a brittle material.

cast_iron_during_machining_produces1545889160.jpg image


Its usefulness derives from its relatively low melting temperature.

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Q:

National Science Centre is located at

A) New Delhi B) Pune
C) Bangalore D) Hyderabad
 
Answer & Explanation Answer: A) New Delhi

Explanation:

National Science Centre is located at New Delhi.

national_science_centre_is_located_at1553943841.jpg image

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Q:

Which statement best describes the electronegativity of an element?

A) Electronegativity of an atom is it's ability to produce energy while losing an electron. B) Electronegativity of an atom is it's ability to attract electrons during bond formation.
C) Electronegativity of an atom is it's ability to lose electrons during cation formation. D) Electronegativity of an atom is it's ability to share electrons during a covalent bond formation.
 
Answer & Explanation Answer: B) Electronegativity of an atom is it's ability to attract electrons during bond formation.

Explanation:

Electronegativity, is a chemical property that describes the tendency of an atom to attract a shared pair of electrons (or electron density) towards itself.

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Q:

One billionth of a second is called

A) microsecond B) picoseconds
C) millisecond D) nanosecond
 
Answer & Explanation Answer: D) nanosecond

Explanation:

A nanosecond (ns) is an SI unit of time equal to one thousand-millionth of a second or one billionth of a second.

 

  • That is, 1/1,000,000,000 of a second, or 10^−9 seconds.
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Q:

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.


Gaff

 

A) Complain B) Trick
C) Gesture D) Laugh
 
Answer & Explanation Answer: B) Trick

Explanation:
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Q:

Which of the following can be kept in memory when the DB2 configuration parameter KEEPFENCED is enabled?

A) SQLDAS after their cursor is closed. B) Referential integrity maps after a join.
C) Stored procedure processes after they are run. D) Tables after they have been read into the buffer pool.
 
Answer & Explanation Answer: C) Stored procedure processes after they are run.

Explanation:
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Q:

Every ecosystem must have

A) Autotrophs B) Heterotrophs
C) Both A & B D) photosynthesizers
 
Answer & Explanation Answer: A) Autotrophs

Explanation:

Every ecosystem must have Autotrophs.

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