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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 1920
Q:

Improve the bracketed part of the sentence.
There are two pens here and (either write) well.

A) either have written B) either wrote well
C) either writes D) No improvement
 
Answer & Explanation Answer: C) either writes

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 1919
Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

I learnt he had

A-spoke about yoga, slums, and Indian

B-never been to India, yet he

C-cinema with conviction

A) ACB B) BAC
C) ABC D) CBA
 
Answer & Explanation Answer: B) BAC

Explanation:
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Filed Under: English
Exam Prep: Bank Exams , CAT

0 1919
Q:

Shampooing is which country's concept?

A) Germany B) China
C) India D) Japan
 
Answer & Explanation Answer: C) India

Explanation:

Shampooing is an Indian concept.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

0 1919
Q:

What country is home to the Sherpas?

Answer

Nepal

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Subject: World Geography

1 1919
Q:

Which among the following was 1st Municipal Corporation of India?

A) Allahabad B) Madras
C) Bombay D) Kolkata
 
Answer & Explanation Answer: B) Madras

Explanation:

The first municipal corporation was set up in India in the year 1687 at Madras, preceding the Bombay and Delhi municipal corporations.

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Filed Under: Indian History
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

3 1919
Q:

The expression 52n –23n has a factor?

A) 3 B)  7
C) 17 D) None of the above
 
Answer & Explanation Answer: C) 17

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

3 1918
Q:

What is something you will never see again?

Answer

Yesterday, is what we will never see again as the time we come across will never be back.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO

2 1918