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Q:

Why is argon gas used along with tungsten wire in an electric bulb?

A) To increase the life of the bulb B) To reduce the consumption of electricity
C) To make the emitted light colored D) To reduce the cost of the bulb
 
Answer & Explanation Answer: A) To increase the life of the bulb

Explanation:

Argon gas is used in fluorescent and incandescent light bulbs to stop the oxygen in the light bulbs from corroding the hot tungsten filament.

The use of argon in light bulbs prevents the evaporation of the tungsten filaments, which results in increased light bulb life.

Argon is also used to create an inert atmosphere for growing semiconductor crystals, arc welding and for processes that need protection from other kinds of atmospheric gases.

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Filed Under: Chemistry
Exam Prep: Bank Exams

1 1918
Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

To place or deal with close together for contrasting effect.

 

A) to scrutiny B) to juxtapose
C) to correlate D) to contrast
 
Answer & Explanation Answer: B) to juxtapose

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 1918
Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

 

Adjacent

 

A) Nearby B) Joining
C) Remote D) Bordering
 
Answer & Explanation Answer: C) Remote

Explanation:
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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

0 1918
Q:

Computer system which do not not require any storage device?

A) Analog B) Digital
C) Hybrid D) Third generation computer
 
Answer & Explanation Answer: A) Analog

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

3 1918
Q:

Select the synonym of
nutritious

A) insubstantial B) exceptional
C) nourishing D) superlative
 
Answer & Explanation Answer: C) nourishing

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 1918
Q:

What country is home to the Sherpas?

Answer

Nepal

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Subject: World Geography

1 1917
Q:

What do you cut, mix and serve, but never eat?

Answer

Deck of Cards are what we cut, mix and serve when we are playing with them.


Deck-of-Cards1586509285.jpg image

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Subject: Word Puzzles Exam Prep: Bank Exams

8 1917
Q:

Hydrogenation process is associated with which of the following?

A) Rubber B) Petroleum
C) Copper D) Edible fats
 
Answer & Explanation Answer: D) Edible fats

Explanation:
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Filed Under: Chemistry

2 1917