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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 1916
Q:

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Inanition

A) Lethargy B) Offensive
C) Vaccilating D) Grasping
 
Answer & Explanation Answer: A) Lethargy

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 1916
Q:

The Mosque with "shaking minarets" is situated in which Indian city?

A) Kanpur B) Ahmedabad
C) Jaipur D) Ranchi
 
Answer & Explanation Answer: B) Ahmedabad

Explanation:
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Filed Under: Indian Geography
Exam Prep: Bank Exams

4 1916
Q:

India decides to stop its share of river waters which flow into

A) China B) Nepal
C) Pakistan D) Afghanistan
 
Answer & Explanation Answer: C) Pakistan

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

0 1915
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 1915
Q:

Al-Masudi, a resident of Baghdad, had visited India in whose reign?

A) Mahendra Pal B) Mahipal
C) Mihir bhoj D) Rambhadra
 
Answer & Explanation Answer: B) Mahipal

Explanation:
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Filed Under: Indian History
Exam Prep: Bank Exams

3 1915
Q:

What determines the mass number of an element?

A) Number of protons B) Number of electrons and protons
C) Number of protons and neutrons D) Number of neitrons
 
Answer & Explanation Answer: C) Number of protons and neutrons

Explanation:

The number of protons in an isotope or an atom gives its atomic number whereas the number of protons and neutrons gives its mass number.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

1 1914
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 1914